PT-2019-14636 · Giflib · Giflib

Marsman1996 · Published 2019-09-16 · Updated 2024-06-06 · CVE-2019-16346

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ngiflib version 0.4

Description The issue is a heap-based buffer overflow in the WritePixel() function in ngiflib.c when called from DecodeGifImg(), caused by mishandling deinterlacing for small pictures.

Recommendations For ngiflib version 0.4, consider disabling the WritePixel() function until a patch is available to prevent potential exploitation. Restrict the use of DecodeGifImg() to minimize the risk of heap-based buffer overflow. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-682

CWE-787

Related Identifiers

CVE-2019-16346

Affected Products

Giflib

References · 5

• 🔥 https://github.com/miniupnp/ngiflib/issues/11 · Exploit
• https://github.com/miniupnp/ngiflib/commit/37d939a6f511d16d4c95678025c235fe62e6417a · Patch
• https://osv.dev/vulnerability/CVE-2019-16346 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16346 · Security Note
• https://t.me/cvenotify/82206 · Telegram Post