Detections
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Debian DLA-2937-1 : gif2apng - LTS security update
high Nessus Plugin ID 158685
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Synopsis
The remote Debian host is missing one or more security-related updates.Description
The remote Debian 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-2937 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 this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade the gif2apng packages.For Debian 9 stretch, these problems have been fixed in version 1.9+srconly-2+deb9u2.
See Also
https://security-tracker.debian.org/tracker/source-package/gif2apng
https://www.debian.org/lts/security/2022/dla-2937
https://security-tracker.debian.org/tracker/CVE-2021-45909
https://security-tracker.debian.org/tracker/CVE-2021-45910
Plugin Details
Severity: High
ID: 158685
File Name: debian_DLA-2937.nasl
Version: 1.3
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 3/7/2022
Updated: 11/6/2023
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous 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: p-cpe:/a:debian:debian_linux:gif2apng, cpe:/o:debian:debian_linux:9.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/7/2022
Vulnerability Publication Date: 12/28/2021