PT-2021-11917 · Libsixel+1 · Libsixel+1

Nigelxo · Published 2021-04-14 · Updated 2021-04-16 · CVE-2020-36120

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Libsixel version 1.8.6

Description: The issue is related to a Buffer Overflow in the sixel encoder encode bytes function, which can be exploited by attackers to cause a Denial of Service (DoS).

Recommendations: For Libsixel version 1.8.6, consider disabling the sixel encoder encode bytes function as a temporary workaround until a patch is available.

Exploit

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-36120

Affected Products

Debian

Libsixel

References · 7

• 🔥 https://github.com/saitoha/libsixel/issues/143 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-36120 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36120 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-36120 · Security Note
• https://ubuntu.com/security/CVE-2020-36120 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-36120 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-36120 · Vendor Advisory