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Canonical » Ubuntu Linux : Security Vulnerabilities (CVSS score between 2 and 2.99)

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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-2021-32555 59 2021-06-12 2021-06-16
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.
2 CVE-2021-32554 59 2021-06-12 2021-06-16
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg package apport hooks, it could expose private data to other local users.
3 CVE-2021-32553 59 2021-06-12 2021-06-16
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-17 package apport hooks, it could expose private data to other local users.
4 CVE-2021-32552 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-16 package apport hooks, it could expose private data to other local users.
5 CVE-2021-32551 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-15 package apport hooks, it could expose private data to other local users.
6 CVE-2021-32550 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-14 package apport hooks, it could expose private data to other local users.
7 CVE-2021-32549 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-13 package apport hooks, it could expose private data to other local users.
8 CVE-2021-32548 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users.
9 CVE-2021-32547 59 2021-06-12 2021-06-15
2.1
 None Local Low Not required Partial None None
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.
10 CVE-2021-4115 2022-02-21 2022-08-09
2.1
 None Local Low Not required None None Partial
There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned
11 CVE-2021-3155 276 2022-02-17 2022-02-25
2.1
 None Local Low Not required Partial None None
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
12 CVE-2020-27349 862 2020-12-09 2020-12-11
2.1
 None Local Low Not required None None Partial
Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.
13 CVE-2020-26088 276 Bypass 2020-09-24 2022-04-27
2.1
 None Local Low Not required None Partial None
A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.
14 CVE-2020-16128 209 2020-12-09 2020-12-11
2.1
 None Local Low Not required Partial None None
The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.
15 CVE-2020-16123 362 2020-12-04 2020-12-10
2.1
 None Local Low Not required Partial None None
An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited by an attacker to expose sensitive information. Fixed in 1:13.99.3-1ubuntu2, 1:13.99.2-1ubuntu2.1, 1:13.99.1-1ubuntu3.8, 1:11.1-1ubuntu7.11, and 1:8.0-0ubuntu3.15.
16 CVE-2020-16122 345 2020-11-07 2022-10-21
2.1
 None Local Low Not required None Partial None
PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.
17 CVE-2020-16121 209 2020-11-07 2020-11-18
2.1
 None Local Low Not required Partial None None
PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.
18 CVE-2020-16120 2021-02-10 2021-11-18
2.1
 None Local Low Not required Partial None None
Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a mountpoint controlled by the user, like a removable device. This was introduced in kernel version 4.19 by commit d1d04ef ("ovl: stack file ops"). This was fixed in kernel version 5.8 by commits 56230d9 ("ovl: verify permissions in ovl_path_open()"), 48bd024 ("ovl: switch to mounter creds in readdir") and 05acefb ("ovl: check permission to open real file"). Additionally, commits 130fdbc ("ovl: pass correct flags for opening real directory") and 292f902 ("ovl: call secutiry hook in ovl_real_ioctl()") in kernel 5.8 might also be desired or necessary. These additional commits introduced a regression in overlay mounts within user namespaces which prevented access to files with ownership outside of the user namespace. This regression was mitigated by subsequent commit b6650da ("ovl: do not fail because of O_NOATIMEi") in kernel 5.11.
19 CVE-2020-16092 617 DoS 2020-08-11 2022-09-30
2.1
 None Local Low Not required None None Partial
In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.
20 CVE-2020-15701 755 DoS 2020-08-06 2023-01-24
2.1
 None Local Low Not required None None Partial
An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed in 2.20.1-0ubuntu2.24, 2.20.9-0ubuntu7.16, 2.20.11-0ubuntu27.6.
21 CVE-2020-15393 401 2020-06-29 2022-04-28
2.1
 None Local Low Not required None None Partial
In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770.
22 CVE-2020-15358 787 Overflow 2020-06-27 2022-05-12
2.1
 None Local Low Not required None None Partial
In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation.
23 CVE-2020-15306 787 Overflow 2020-06-26 2022-09-02
2.1
 None Local Low Not required None None Partial
An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.
24 CVE-2020-15305 416 2020-06-26 2022-09-02
2.1
 None Local Low Not required None None Partial
An issue was discovered in OpenEXR before 2.5.2. Invalid input could cause a use-after-free in DeepScanLineInputFile::DeepScanLineInputFile() in IlmImf/ImfDeepScanLineInputFile.cpp.
25 CVE-2020-15157 522 2020-10-16 2021-11-18
2.6
 None Remote High Not required Partial None None
In containerd (an industry-standard container runtime) before version 1.2.14 there is a credential leaking vulnerability. If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format includes a URL for the location of a specific image layer (otherwise known as a “foreign layer”), the default containerd resolver will follow that URL to attempt to download it. In v1.2.x but not 1.3.0 or later, the default containerd resolver will provide its authentication credentials if the server where the URL is located presents an HTTP 401 status code along with registry-specific HTTP headers. If an attacker publishes a public image with a manifest that directs one of the layers to be fetched from a web server they control and they trick a user or system into pulling the image, they can obtain the credentials used for pulling that image. In some cases, this may be the user's username and password for the registry. In other cases, this may be the credentials attached to the cloud virtual instance which can grant access to other cloud resources in the account. The default containerd resolver is used by the cri-containerd plugin (which can be used by Kubernetes), the ctr development tool, and other client programs that have explicitly linked against it. This vulnerability has been fixed in containerd 1.2.14. containerd 1.3 and later are not affected. If you are using containerd 1.3 or later, you are not affected. If you are using cri-containerd in the 1.2 series or prior, you should ensure you only pull images from trusted sources. Other container runtimes built on top of containerd but not using the default resolver (such as Docker) are not affected.
26 CVE-2020-15011 74 2020-06-24 2021-11-30
2.6
 None Remote High Not required None Partial None
GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.
27 CVE-2020-14415 369 2020-08-27 2020-09-02
2.1
 None Local Low Not required None None Partial
oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.
28 CVE-2020-14392 119 Overflow Mem. Corr. 2020-09-16 2021-10-19
2.1
 None Local Low Not required None None Partial
An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. A local attacker who is able to manipulate calls to dbd_db_login6_sv() could cause memory corruption, affecting the service's availability.
29 CVE-2020-14378 191 2020-09-30 2022-11-07
2.1
 None Local Low Not required None None Partial
An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. An attacker could cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used this could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period.
30 CVE-2020-14347 665 Bypass 2020-08-05 2023-02-03
2.1
 None Local Low Not required Partial None None
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
31 CVE-2020-14314 125 2020-09-15 2022-10-25
2.1
 None Local Low Not required None None Partial
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
32 CVE-2020-13632 476 2020-05-27 2022-05-13
2.1
 None Local Low Not required None None Partial
ext/fts3/fts3_snippet.c in SQLite before 3.32.0 has a NULL pointer dereference via a crafted matchinfo() query.
33 CVE-2020-13631 2020-05-27 2022-05-13
2.1
 None Local Low Not required None Partial None
SQLite before 3.32.0 allows a virtual table to be renamed to the name of one of its shadow tables, related to alter.c and build.c.
34 CVE-2020-13434 190 Overflow 2020-05-24 2023-01-09
2.1
 None Local Low Not required None None Partial
SQLite through 3.32.0 has an integer overflow in sqlite3_str_vappendf in printf.c.
35 CVE-2020-13397 125 2020-05-22 2020-11-09
2.1
 None Local Low Not required Partial None None
An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in security_fips_decrypt in libfreerdp/core/security.c due to an uninitialized value.
36 CVE-2020-13362 125 2020-05-28 2022-11-29
2.1
 None Local Low Not required None None Partial
In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user.
37 CVE-2020-13253 125 2020-05-27 2022-09-23
2.1
 None Local Low Not required None None Partial
sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.
38 CVE-2020-12867 476 DoS 2020-06-01 2022-11-16
2.1
 None Local Low Not required None None Partial
A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075.
39 CVE-2020-12866 476 DoS 2020-06-24 2022-11-21
2.7
 None Local Network Low ??? None None Partial
A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.
40 CVE-2020-12829 190 DoS Overflow 2020-08-31 2020-12-14
2.1
 None Local Low Not required None None Partial
In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host, resulting in a denial of service.
41 CVE-2020-12768 401 2020-05-09 2022-04-27
2.1
 None Local Low Not required None None Partial
** DISPUTED ** An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will.
42 CVE-2020-12767 369 2020-05-09 2023-01-27
2.1
 None Local Low Not required None None Partial
exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.
43 CVE-2020-12656 401 2020-05-05 2022-04-29
2.1
 None Local Low Not required None None Partial
** DISPUTED ** gss_mech_free in net/sunrpc/auth_gss/gss_mech_switch.c in the rpcsec_gss_krb5 implementation in the Linux kernel through 5.6.10 lacks certain domain_release calls, leading to a memory leak. Note: This was disputed with the assertion that the issue does not grant any access not already available. It is a problem that on unloading a specific kernel module some memory is leaked, but loading kernel modules is a privileged operation. A user could also write a kernel module to consume any amount of memory they like and load that replicating the effect of this bug.
44 CVE-2020-12405 362 2020-07-09 2022-05-03
2.6
 None Remote High Not required None None Partial
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
45 CVE-2020-12392 22 Dir. Trav. 2020-05-26 2022-04-26
2.1
 None Local Low Not required Partial None None
The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
46 CVE-2020-11931 668 Bypass 2020-05-15 2020-05-19
2.1
 None Local Low Not required Partial None None
An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy module. This issue affects: pulseaudio 1:8.0 versions prior to 1:8.0-0ubuntu3.12; 1:11.1 versions prior to 1:11.1-1ubuntu7.7; 1:13.0 versions prior to 1:13.0-1ubuntu1.2; 1:13.99.1 versions prior to 1:13.99.1-1ubuntu3.2;
47 CVE-2020-11494 908 2020-04-02 2022-04-29
2.1
 None Local Low Not required Partial None None
An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.
48 CVE-2020-10756 125 +Info 2020-07-09 2022-04-05
2.1
 None Local Low Not required Partial None None
An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.
49 CVE-2020-10724 125 +Info 2020-05-19 2021-10-19
2.1
 None Local Low Not required Partial None None
A vulnerability was found in DPDK versions 18.11 and above. The vhost-crypto library code is missing validations for user-supplied values, potentially allowing an information leak through an out-of-bounds memory read.
50 CVE-2020-10029 787 Overflow 2020-03-04 2022-11-10
2.1
 None Local Low Not required None None Partial
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.
Total number of vulnerabilities : 249   Page : 1 (This Page)2 3 4 5
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