PT-2022-19940 · Libsixel+1 · Libsixel+1

Waugustus · Published 2022-05-11 · Updated 2022-05-19 · CVE-2022-29978

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libsixel img2sixel version 1.8.6

Description The issue is related to a floating point exception error in the sixel encoder do resize function, located in encoder.c:633 of libsixel img2sixel. This error can be triggered by remote attackers using a crafted JPEG file, potentially causing a denial-of-service.

Recommendations For libsixel img2sixel version 1.8.6, consider disabling the sixel encoder do resize function as a temporary workaround until a patch is available. Restrict the processing of JPEG files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-682

Related Identifiers

CVE-2022-29978

Affected Products

Debian

Libsixel

References · 10

• 🔥 https://github.com/saitoha/libsixel/issues/166 · Exploit
• https://cve.org/CVERecord?id=CVE-2022-29978 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-29978 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-29978 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-29978 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-29978 · Security Note
• https://osv.dev/vulnerability/CVE-2022-29978 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-29978 · Vendor Advisory
• https://t.me/cvenotify/30437 · Telegram Post
• https://t.me/cibsecurity/42371 · Telegram Post