PT-2021-24324 · Grok · Grok

Published 2021-12-31 · Updated 2022-01-11 · CVE-2021-45935

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Grok version 9.5.0

Description: The issue is a heap-based buffer overflow in the openhtj2k::T1OpenHTJ2K::decompress function, which is called from std:: 1:: packaged task func<std:: 1:: bind<grk::T1DecompressScheduler::deco and std:: 1::packaged task<int. This overflow can occur due to improper handling of data during the decompression process.

Recommendations: For Grok version 9.5.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-45935

Affected Products

Grok

References · 8

• 🔥 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml · Exploit
• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-45935 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45935 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-45935 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45935 · Vendor Advisory
• https://github.com/osamu620/OpenHTJ2K · Note
• https://t.me/cibsecurity/34802 · Telegram Post