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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-2018-15864 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because a map access attempt can occur for a map that was never created.
2 CVE-2018-15863 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with a no-op modmask expression.
3 CVE-2018-15862 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers.
4 CVE-2018-15861 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file that triggers an xkb_intern_atom failure.
5 CVE-2018-15859 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.
6 CVE-2018-15858 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file.
7 CVE-2018-15856 399 DoS 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka the keymap parser) in xkbcommon before 0.8.1 could be used by local attackers to cause a denial of service during parsing of crafted keymap files.
8 CVE-2018-15855 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
9 CVE-2018-15854 476 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because geometry tokens were desupported incorrectly.
10 CVE-2018-15853 399 2018-08-25 2018-11-07
2.1
 None Local Low Not required None None Partial
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
11 CVE-2018-15594 254 2018-08-20 2018-10-26
2.1
 None Local Low Not required Partial None None
arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.
12 CVE-2018-15572 254 2018-08-19 2018-10-31
2.1
 None Local Low Not required Partial None None
The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.
13 CVE-2018-13053 190 Overflow 2018-07-02 2018-11-23
2.1
 None Local Low Not required None None Partial
The alarm_timer_nsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktime_add_safe is not used.
14 CVE-2018-12383 200 +Info 2018-10-18 2018-12-04
2.1
 None Local Low Not required Partial None None
If a user saved passwords before Firefox 58 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Firefox 58. The new master password is added only on the new file. This could allow the exposure of stored password data outside of user expectations. This vulnerability affects Firefox < 62, Firefox ESR < 60.2.1, and Thunderbird < 60.2.1.
15 CVE-2018-8043 476 DoS 2018-03-10 2018-05-09
2.1
 None Local Low Not required None None Partial
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).
16 CVE-2018-7755 200 Bypass +Info 2018-03-08 2018-10-04
2.1
 None Local Low Not required Partial None None
An issue was discovered in the fd_locked_ioctl function in drivers/block/floppy.c in the Linux kernel through 4.15.7. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR.
17 CVE-2018-7073 284 2018-08-06 2018-10-06
2.1
 None Local Low Not required None Partial None
A local arbitrary file modification vulnerability was identified in HPE Moonshot Provisioning Manager prior to v1.24.
18 CVE-2018-6559 200 +Info 2018-10-26 2018-12-06
2.1
 None Local Low Not required Partial None None
The Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10, allows local users to obtain names of files in which they would not normally be able to access via an overlayfs mount inside of a user namespace.
19 CVE-2018-6556 417 2018-08-10 2018-10-21
2.1
 None Local Low Not required Partial None None
lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2.
20 CVE-2018-2762 2018-04-18 2018-11-27
2.1
 None Local Low Not required None None Partial
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection). Supported versions that are affected are 5.7.21 and prior. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
21 CVE-2018-1106 287 Bypass 2018-04-23 2018-07-09
2.1
 None Local Low Not required None Partial None
An authentication bypass flaw has been found in PackageKit before 1.1.10 that allows users without administrator privileges to install signed packages. A local attacker can use this vulnerability to install vulnerable packages to further compromise a system.
22 CVE-2018-1059 200 +Info 2018-04-24 2018-08-21
2.9
 None Local Network Medium Not required Partial None None
The DPDK vhost-user interface does not check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. This may lead to a malicious guest exposing vhost-user backend process memory. All versions before 18.02.1 are vulnerable.
23 CVE-2018-1050 20 DoS 2018-03-13 2018-11-30
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.
24 CVE-2017-18344 125 2018-07-26 2018-11-14
2.1
 None Local Low Not required Partial None None
The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE).
25 CVE-2017-16611 254 2017-12-01 2018-01-09
2.1
 None Local Low Not required None None Partial
In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be triggered by opening files.
26 CVE-2017-13088 254 2017-10-17 2018-07-18
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) that support 802.11v allows reinstallation of the Integrity Group Temporal Key (IGTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame, allowing an attacker within radio range to replay frames from access points to clients.
27 CVE-2017-13087 254 2017-10-17 2018-05-16
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) that support 802.11v allows reinstallation of the Group Temporal Key (GTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame, allowing an attacker within radio range to replay frames from access points to clients.
28 CVE-2017-13081 254 2017-10-17 2018-11-13
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11w allows reinstallation of the Integrity Group Temporal Key (IGTK) during the group key handshake, allowing an attacker within radio range to spoof frames from access points to clients.
29 CVE-2017-13080 254 2017-10-17 2018-11-13
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Group Temporal Key (GTK) during the group key handshake, allowing an attacker within radio range to replay frames from access points to clients.
30 CVE-2017-13079 254 2017-10-17 2018-11-13
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11w allows reinstallation of the Integrity Group Temporal Key (IGTK) during the four-way handshake, allowing an attacker within radio range to spoof frames from access points to clients.
31 CVE-2017-13078 254 2017-10-17 2018-11-13
2.9
 None Local Network Medium Not required None Partial None
Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Group Temporal Key (GTK) during the four-way handshake, allowing an attacker within radio range to replay frames from access points to clients.
32 CVE-2017-2592 532 +Info 2018-05-08 2018-06-12
2.1
 None Local Low Not required Partial None None
python-oslo-middleware before versions 3.8.1, 3.19.1, 3.23.1 is vulnerable to an information disclosure. Software using the CatchError class could include sensitive values in a traceback's error message. System users could exploit this flaw to obtain sensitive information from OpenStack component error logs (for example, keystone tokens).
33 CVE-2016-9963 320 2017-02-01 2017-02-15
2.6
 None Remote High Not required Partial None None
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
34 CVE-2016-6224 20 +Info 2016-07-22 2017-08-07
2.1
 None Local Low Not required Partial None None
ecryptfs-setup-swap in eCryptfs does not prevent the unencrypted swap partition from activating during boot when using GPT partitioning on a (1) NVMe or (2) MMC drive, which allows local users to obtain sensitive information via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8946.
35 CVE-2016-5337 200 +Info 2016-06-14 2018-12-01
2.1
 None Local Low Not required Partial None None
The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allows local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information.
36 CVE-2016-5238 119 DoS Overflow 2016-06-14 2018-12-01
2.1
 None Local Low Not required None None Partial
The get_cmd function in hw/scsi/esp.c in QEMU might allow local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode.
37 CVE-2016-4804 119 DoS Overflow 2016-06-03 2018-10-30
2.1
 None Local Low Not required None None Partial
The read_boot function in boot.c in dosfstools before 4.0 allows attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function.
38 CVE-2016-4578 200 +Info 2016-05-23 2018-01-04
2.1
 None Local Low Not required Partial None None
sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the (1) snd_timer_user_ccallback and (2) snd_timer_user_tinterrupt functions.
39 CVE-2016-4569 200 +Info 2016-05-23 2018-01-04
2.1
 None Local Low Not required Partial None None
The snd_timer_user_params function in sound/core/timer.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface.
40 CVE-2016-4486 200 +Info 2016-05-23 2016-11-28
2.1
 None Local Low Not required Partial None None
The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.
41 CVE-2016-4482 200 +Info 2016-05-23 2016-11-28
2.1
 None Local Low Not required Partial None None
The proc_connectinfo function in drivers/usb/core/devio.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted USBDEVFS_CONNECTINFO ioctl call.
42 CVE-2016-4441 119 DoS Overflow 2016-05-20 2018-12-01
2.1
 None Local Low Not required None None Partial
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
43 CVE-2016-4020 200 +Info 2016-05-25 2018-12-01
2.1
 None Local Low Not required Partial None None
The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).
44 CVE-2016-3961 20 DoS 2016-04-15 2016-11-28
2.1
 None Local Low Not required None None Partial
Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.
45 CVE-2016-3712 DoS Overflow 2016-05-11 2018-01-04
2.1
 None Local Low Not required None None Partial
Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.
46 CVE-2016-3156 399 DoS 2016-04-27 2018-01-04
2.1
 None Local Low Not required None None Partial
The IPv4 implementation in the Linux kernel before 4.5.2 mishandles destruction of device objects, which allows guest OS users to cause a denial of service (host OS networking outage) by arranging for a large number of IP addresses.
47 CVE-2016-2857 119 DoS Overflow 2016-04-11 2018-12-01
2.1
 None Local Low Not required None None Partial
The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.
48 CVE-2016-2841 20 DoS 2016-06-16 2018-12-01
2.1
 None Local Low Not required None None Partial
The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.
49 CVE-2016-2392 DoS 2016-06-16 2018-12-01
2.1
 None Local Low Not required None None Partial
The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.
50 CVE-2016-2391 DoS 2016-06-16 2018-12-01
2.1
 None Local Low Not required None None Partial
The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.
Total number of vulnerabilities : 79   Page : 1 (This Page)2
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