PT-2021-10952 · Ffjpeg · Ffjpeg

Yangjiageng · Published 2021-05-18 · Updated 2023-08-17 · CVE-2020-23851

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: ffjpeg versions prior to 2020-07-02

Description: A stack-based buffer overflow issue exists in the jfif decode(void *ctxt, BMP *pb) function, which could cause a denial of service by submitting a malicious jpeg image. The issue is related to the jfif decode function at ffjpeg/src/jfif.c:513:28.

Recommendations: For ffjpeg versions prior to 2020-07-02, as a temporary workaround, consider disabling the jfif decode function until a patch is available. Restrict access to handling jpeg images 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

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-23851

Affected Products

Ffjpeg

References · 4

• 🔥 https://github.com/rockcarry/ffjpeg/issues/27 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-23851 · Security Note
• https://osv.dev/vulnerability/CVE-2020-23851 · Vendor Advisory
• https://t.me/cvenotify/14967 · Telegram Post