Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : libexif vulnerability (USN-4624-1)

critical Nessus Plugin ID 142732
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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 host has packages installed that are affected by a vulnerability as referenced in the USN-4624-1 advisory.

- In exif_entry_get_value of exif-entry.c, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution if a third party app used this library to process remote image data with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11 Android-8.0Android ID:
A-159625731 (CVE-2020-0452)

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 libexif-dev and / or libexif12 packages.

See Also

https://ubuntu.com/security/notices/USN-4624-1

Plugin Details

Severity: Critical

ID: 142732

File Name: ubuntu_USN-4624-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/11/2020

Updated: 11/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-0452

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: 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:libexif-dev, p-cpe:/a:canonical:ubuntu_linux:libexif12

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2020

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-0452

USN: 4624-1