PT-2021-10931 · Unknown · Ok-File-Formats

Waynedevmaze · Published 2021-07-15 · Updated 2021-07-30 · CVE-2020-23706

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 ok-file-formats through 2020-06-26

Description A heap-based buffer overflow issue in the ok jpg decode block subsequent scan() function allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file. The issue is related to the ok jpg.c file at line 1102.

Recommendations For ok-file-formats through 2020-06-26, consider disabling the ok jpg decode block subsequent scan() function as a temporary workaround to prevent Denial of Service attacks until a patch is available. Restrict access to handling crafted jpeg files to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-23706

Affected Products

Ok-File-Formats

References · 5

• 🔥 https://github.com/brackeen/ok-file-formats/issues/7 · Exploit
• https://osv.dev/vulnerability/CVE-2020-23706 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23706 · Security Note
• https://t.me/cvenotify/17713 · Telegram Post
• https://t.me/cvenotify/18342 · Telegram Post