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Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3753-1)

high Nessus Plugin ID 112111

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3753-1 advisory.

 - An elevation of privilege vulnerability in the kernel scsi driver. Product: Android. Versions: Android kernel. Android ID A-65023233. (CVE-2017-13168)

 - A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image. (CVE-2018-10876)

 - Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image. (CVE-2018-10877)

 - A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image. (CVE-2018-10878)

 - A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image. (CVE-2018-10879)

 - A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image. (CVE-2018-10881)

 - A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image. (CVE-2018-10882)

 - In the ea_get function in fs/jfs/xattr.c in the Linux kernel through 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.
 (CVE-2018-12233)

 - An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp. (CVE-2018-13094)

 - The inode_init_owner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID. (CVE-2018-13405)

 - An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used. (CVE-2018-13406)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel package.

See Also

https://ubuntu.com/security/notices/USN-3753-1

Plugin Details

Severity: High

ID: 112111

File Name: ubuntu_USN-3753-1.nasl

Version: 1.12

Type: local

Agent: unix

Published: 8/24/2018

Updated: 1/9/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-13406

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1032-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1066-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1095-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1099-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-134-powerpc64-smp, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/24/2018

Vulnerability Publication Date: 12/6/2017

Reference Information

CVE: CVE-2017-13168, CVE-2018-10876, CVE-2018-10877, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10882, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406

USN: 3753-1