Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : AccountsService vulnerabilities (USN-4616-1)

Medium Nessus Plugin ID 142371

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VPR Score: 4.4

Synopsis

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

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4616-1 advisory.

- Directory Traversal with ../ sequences occurs in AccountsService before 0.6.50 because of an insufficient path check in user_change_icon_file_authorized_cb() in user.c. (CVE-2018-14036)

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4616-1

Plugin Details

Severity: Medium

ID: 142371

File Name: ubuntu_USN-4616-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/11/04

Updated: 2020/11/24

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 4.4

CVSS Score Source: CVE-2018-14036

CVSS v2.0

Base Score: 4

Temporal Score: 3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.10, p-cpe:/a:canonical:ubuntu_linux:accountsservice, p-cpe:/a:canonical:ubuntu_linux:gir1.2-accountsservice-1.0, p-cpe:/a:canonical:ubuntu_linux:libaccountsservice-dev, p-cpe:/a:canonical:ubuntu_linux:libaccountsservice0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/11/03

Vulnerability Publication Date: 2018/07/13

Reference Information

CVE: CVE-2018-14036, CVE-2020-16126, CVE-2020-16127

BID: 104757

USN: 4616-1