Detections
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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : gif2apng vulnerabilities (USN-5969-1)

high Nessus Plugin ID 173349

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5969-1 advisory.

 - An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer. (CVE-2021-45909)

 - An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function.
 It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written. (CVE-2021-45910)

 - An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer. (CVE-2021-45911)

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 gif2apng package.

See Also

https://ubuntu.com/security/notices/USN-5969-1

Plugin Details

Severity: High

ID: 173349

File Name: ubuntu_USN-5969-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/23/2023

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-45911

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:gif2apng, cpe:/o:canonical:ubuntu_linux:20.04:-: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: 3/23/2023

Vulnerability Publication Date: 12/28/2021

Reference Information

CVE: CVE-2021-45909, CVE-2021-45910, CVE-2021-45911

USN: 5969-1