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Samba : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2018-11574 20 Overflow Bypass 2018-06-14 2018-08-13
7.5
None Remote Low Not required Partial Partial Partial
Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected.
2 CVE-2018-5764 254 Bypass 2018-01-17 2018-03-23
5.0
None Remote Low Not required None Partial None
The parse_arguments function in options.c in rsyncd in rsync before 3.1.3 does not prevent multiple --protect-args uses, which allows remote attackers to bypass an argument-sanitization protection mechanism.
3 CVE-2018-1057 275 2018-03-13 2018-04-13
6.5
None Remote Low Single system Partial Partial Partial
On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).
4 CVE-2018-1050 20 DoS 2018-03-13 2018-09-04
2.9
None Local Network Medium Not required None None Partial
All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.
5 CVE-2017-17434 284 Bypass 2017-12-05 2018-02-03
7.5
None Remote Low Not required Partial Partial Partial
The daemon in rsync 3.1.2, and 3.1.3-development before 2017-12-03, does not check for fnamecmp filenames in the daemon_filter_list data structure (in the recv_files function in receiver.c) and also does not apply the sanitize_paths protection mechanism to pathnames found in "xname follows" strings (in the read_ndx_and_attrs function in rsync.c), which allows remote attackers to bypass intended access restrictions.
6 CVE-2017-17433 284 Bypass 2017-12-05 2018-02-03
7.5
None Remote Low Not required Partial Partial Partial
The recv_files function in receiver.c in the daemon in rsync 3.1.2, and 3.1.3-development before 2017-12-03, proceeds with certain file metadata updates before checking for a filename in the daemon_filter_list data structure, which allows remote attackers to bypass intended access restrictions.
7 CVE-2017-16548 119 DoS Overflow 2017-11-06 2018-03-23
7.5
None Remote Low Not required Partial Partial Partial
The receive_xattr function in xattrs.c in rsync 3.1.2 and 3.1.3-development does not check for a trailing '\0' character in an xattr name, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact by sending crafted data to the daemon.
8 CVE-2017-15994 284 Bypass 2017-10-29 2017-12-20
7.5
None Remote Low Not required Partial Partial Partial
rsync 3.1.3-development before 2017-10-24 mishandles archaic checksums, which makes it easier for remote attackers to bypass intended access restrictions. NOTE: the rsync development branch has significant use beyond the rsync developers, e.g., the code has been copied for use in various GitHub projects.
9 CVE-2017-15275 119 Overflow +Info 2017-11-27 2018-05-09
5.0
None Remote Low Not required Partial None None
Samba before 4.7.3 might allow remote attackers to obtain sensitive information by leveraging failure of the server to clear allocated heap memory.
10 CVE-2017-14746 416 Exec Code 2017-11-27 2018-05-09
7.5
None Remote Low Not required Partial Partial Partial
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.
11 CVE-2017-11103 345 2017-07-13 2017-11-13
6.8
None Remote Medium Not required Partial Partial Partial
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In _krb5_extract_ticket() the KDC-REP service name must be obtained from the encrypted version stored in 'enc_part' instead of the unencrypted version stored in 'ticket'. Use of the unencrypted version provides an opportunity for successful server impersonation and other attacks. NOTE: this CVE is only for Heimdal and other products that embed Heimdal code; it does not apply to other instances in which this part of the Kerberos 5 protocol specification is violated.
12 CVE-2017-9461 399 DoS 2017-06-06 2018-01-04
7.8
None Remote Low Not required None None Complete
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
13 CVE-2017-7494 94 Exec Code 2017-05-30 2018-07-10
10.0
None Remote Low Not required Complete Complete Complete
Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.
14 CVE-2017-2619 362 2018-03-12 2018-04-12
6.0
None Remote Medium Single system Partial Partial Partial
Samba before versions 4.6.1, 4.5.7 and 4.4.11 are vulnerable to a malicious client using a symlink race to allow access to areas of the server file system not exported under the share definition.
15 CVE-2016-2126 264 2017-05-11 2018-05-10
4.0
None Remote Low Single system None None Partial
Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.
16 CVE-2016-2119 284 Bypass 2016-07-07 2017-08-31
6.8
None Remote Medium Not required Partial Partial Partial
libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.
17 CVE-2016-2118 254 2016-04-12 2017-07-03
6.8
None Remote Medium Not required Partial Partial Partial
The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."
18 CVE-2016-2115 254 2016-04-24 2016-12-30
4.3
None Remote Medium Not required None Partial None
Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not require SMB signing within a DCERPC session over ncacn_np, which allows man-in-the-middle attackers to spoof SMB clients by modifying the client-server data stream.
19 CVE-2016-2114 254 2016-04-24 2016-12-30
4.3
None Remote Medium Not required None Partial None
The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "server signing = mandatory" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.
20 CVE-2016-2113 310 +Info 2016-04-24 2016-12-30
5.8
None Remote Medium Not required Partial Partial None
Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not verify X.509 certificates from TLS servers, which allows man-in-the-middle attackers to spoof LDAPS and HTTPS servers and obtain sensitive information via a crafted certificate.
21 CVE-2016-2112 254 2016-04-24 2016-12-30
4.3
None Remote Medium Not required None Partial None
The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which allows man-in-the-middle attackers to perform LDAP protocol-downgrade attacks by modifying the client-server data stream.
22 CVE-2016-2111 254 +Info 2016-04-24 2016-12-30
4.3
None Local Network Medium Not required Partial Partial None
The NETLOGON service in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2, when a domain controller is configured, allows remote attackers to spoof the computer name of a secure channel's endpoint, and obtain sensitive session information, by running a crafted application and leveraging the ability to sniff network traffic, a related issue to CVE-2015-0005.
23 CVE-2016-2110 254 2016-04-24 2016-12-30
4.3
None Remote Medium Not required None Partial None
The NTLMSSP authentication implementation in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.
24 CVE-2016-0771 119 DoS Overflow +Info 2016-03-13 2016-12-02
4.9
None Remote Medium Single system Partial None Partial
The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.
25 CVE-2015-8467 264 Bypass 2015-12-29 2016-12-30
6.0
None Remote Medium Single system Partial Partial Partial
The samldb_check_user_account_control_acl function in dsdb/samdb/ldb_modules/samldb.c in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not properly check for administrative privileges during creation of machine accounts, which allows remote authenticated users to bypass intended access restrictions by leveraging the existence of a domain with both a Samba DC and a Windows DC, a similar issue to CVE-2015-2535.
26 CVE-2015-7560 284 2016-03-13 2016-12-02
4.0
None Remote Low Single system None Partial None
The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.
27 CVE-2015-7540 399 DoS 2015-12-29 2016-12-30
5.0
None Remote Low Not required None None Partial
The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.
28 CVE-2015-5370 DoS Exec Code 2016-04-24 2016-12-02
4.3
None Remote Medium Not required None Partial None
Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not properly implement the DCE-RPC layer, which allows remote attackers to perform protocol-downgrade attacks, cause a denial of service (application crash or CPU consumption), or possibly execute arbitrary code on a client system via unspecified vectors.
29 CVE-2015-5330 200 +Info 2015-12-29 2016-12-30
5.0
None Remote Low Not required Partial None None
ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles string lengths, which allows remote attackers to obtain sensitive information from daemon heap memory by sending crafted packets and then reading (1) an error message or (2) a database value.
30 CVE-2015-5299 200 +Info 2015-12-29 2016-12-30
5.0
None Remote Low Not required Partial None None
The shadow_copy2_get_shadow_copy_data function in modules/vfs_shadow_copy2.c in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not verify that the DIRECTORY_LIST access right has been granted, which allows remote attackers to access snapshots by visiting a shadow copy directory.
31 CVE-2015-5296 20 2015-12-29 2016-12-30
4.3
None Remote Medium Not required None Partial None
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.
32 CVE-2015-5252 264 Bypass 2015-12-29 2016-12-30
5.0
None Remote Low Not required None Partial None
vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.
33 CVE-2015-3310 119 DoS Overflow 2015-04-24 2017-06-30
4.3
None Remote Medium Not required None None Partial
Buffer overflow in the rc_mksid function in plugins/radius/util.c in Paul's PPP Package (ppp) 2.4.6 and earlier, when the PID for pppd is greater than 65535, allows remote attackers to cause a denial of service (crash) via a start accounting message to the RADIUS server.
34 CVE-2015-3223 189 DoS 2015-12-29 2016-12-30
5.0
None Remote Low Not required None None Partial
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
35 CVE-2015-0240 17 Exec Code 2015-02-23 2016-12-07
10.0
None Remote Low Not required Complete Complete Complete
The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in rpc_server/netlogon/srv_netlog_nt.c.
36 CVE-2014-9512 59 2015-02-12 2017-09-09
6.4
None Remote Low Not required None Partial Partial
rsync 3.1.1 allows remote attackers to write to arbitrary files via a symlink attack on a file in the synchronization path.
37 CVE-2014-8143 264 +Priv 2015-01-16 2017-09-07
8.5
None Remote Medium Single system Complete Complete Complete
Samba 4.0.x before 4.0.24, 4.1.x before 4.1.16, and 4.2.x before 4.2rc4, when an Active Directory Domain Controller (AD DC) is configured, allows remote authenticated users to set the LDB userAccountControl UF_SERVER_TRUST_ACCOUNT bit, and consequently gain privileges, by leveraging delegation of authority for user-account or computer-account creation.
38 CVE-2014-3560 94 Exec Code 2014-08-06 2017-08-28
7.9
None Local Network Medium Not required Complete Complete Complete
NetBIOS name services daemon (nmbd) in Samba 4.0.x before 4.0.21 and 4.1.x before 4.1.11 allows remote attackers to execute arbitrary code via unspecified vectors that modify heap memory, involving a sizeof operation on an incorrect variable in the unstrcpy macro in string_wrappers.h.
39 CVE-2014-3493 119 DoS Overflow Mem. Corr. 2014-06-23 2017-01-06
2.7
None Local Network Low Single system None None Partial
The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.
40 CVE-2014-3158 119 Overflow 2014-11-15 2016-10-24
7.5
None Remote Low Not required Partial Partial Partial
Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows attackers to "access privileged options" via a long word in an options file, which triggers a heap-based buffer overflow that "[corrupts] security-relevant variables."
41 CVE-2014-2855 20 DoS 2014-04-23 2017-12-15
7.8
None Remote Low Not required None None Complete
The check_secret function in authenticate.c in rsync 3.1.0 and earlier allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a user name which does not exist in the secrets file.
42 CVE-2014-0244 20 DoS 2014-06-23 2017-01-06
3.3
None Local Network Low Not required None None Partial
The sys_recvfrom function in nmbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed UDP packet.
43 CVE-2014-0239 20 DoS 2014-05-28 2017-01-06
5.0
None Remote Low Not required None None Partial
The internal DNS server in Samba 4.x before 4.0.18 does not check the QR field in the header section of an incoming DNS message before sending a response, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged response packet that triggers a communication loop, a related issue to CVE-1999-0103.
44 CVE-2014-0178 +Info 2014-05-28 2017-01-06
3.5
None Remote Medium Single system Partial None None
Samba 3.6.6 through 3.6.23, 4.0.x before 4.0.18, and 4.1.x before 4.1.8, when a certain vfs shadow copy configuration is enabled, does not properly initialize the SRV_SNAPSHOT_ARRAY response field, which allows remote authenticated users to obtain potentially sensitive information from process memory via a (1) FSCTL_GET_SHADOW_COPY_DATA or (2) FSCTL_SRV_ENUMERATE_SNAPSHOTS request.
45 CVE-2013-6442 264 Bypass 2014-03-14 2017-01-06
5.8
None Remote Medium Not required Partial Partial None
The owner_set function in smbcacls.c in smbcacls in Samba 4.0.x before 4.0.16 and 4.1.x before 4.1.6 removes an ACL during use of a --chown or --chgrp option, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging an unintended administrative change.
46 CVE-2013-4496 255 2014-03-14 2017-01-06
5.0
None Remote Low Not required Partial None None
Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to obtain access via brute-force ChangePasswordUser2 (1) SAMR or (2) RAP attempts.
47 CVE-2013-4476 310 +Info 2013-11-13 2015-03-02
1.2
None Local High Not required Partial None None
Samba 4.0.x before 4.0.11 and 4.1.x before 4.1.1, when LDAP or HTTP is provided over SSL, uses world-readable permissions for a private key, which allows local users to obtain sensitive information by reading the key file, as demonstrated by access to the local filesystem on an AD domain controller.
48 CVE-2013-4475 264 Bypass 2013-11-13 2017-01-06
4.0
None Remote High Not required Partial Partial None
Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS).
49 CVE-2013-4408 119 Exec Code Overflow 2013-12-10 2017-01-06
8.3
None Local Network Low Not required Complete Complete Complete
Heap-based buffer overflow in the dcerpc_read_ncacn_packet_done function in librpc/rpc/dcerpc_util.c in winbindd in Samba 3.x before 3.6.22, 4.0.x before 4.0.13, and 4.1.x before 4.1.3 allows remote AD domain controllers to execute arbitrary code via an invalid fragment length in a DCE-RPC packet.
50 CVE-2013-4124 189 DoS Overflow 2013-08-05 2017-08-28
5.0
None Remote Low Not required None None Partial
Integer overflow in the read_nttrans_ea_list function in nttrans.c in smbd in Samba 3.x before 3.5.22, 3.6.x before 3.6.17, and 4.x before 4.0.8 allows remote attackers to cause a denial of service (memory consumption) via a malformed packet.
Total number of vulnerabilities : 135   Page : 1 (This Page)2 3
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