PT-2022-12045 · Unknown · Ok-File-Formats

Concoctionsec · Published 2022-02-28 · Updated 2022-03-08 · CVE-2021-44339

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions David Brackeen ok-file-formats version 203defd

Description The issue is related to a Buffer Overflow, specifically a heap-buffer-overflow, that occurs when using the function of the ok-file-formats project. This overflow happens in the ok png transform scanline() function located in the "/ok png.c" file at line 712.

Recommendations For version 203defd, consider disabling the ok png transform scanline() function as a temporary workaround until a patch is available. Restrict access to the /ok png.c file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-44339

Affected Products

Ok-File-Formats

References · 4

• 🔥 https://github.com/brackeen/ok-file-formats/issues/15 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-44339 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44339 · Vendor Advisory
• https://t.me/cibsecurity/38179 · Telegram Post