Heap-based Buffer Overflow Affecting libtiff-static package, versions <0:4.0.3-35.amzn2.0.19


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-AMZN2-LIBTIFFSTATIC-6016382
  • published20 Oct 2023
  • disclosed22 Aug 2023

Introduced: 22 Aug 2023

CVE-2020-18768  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libtiff-static to version 0:4.0.3-35.amzn2.0.19 or higher.
This issue was patched in ALAS2-2023-2300.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtiff-static package and not the libtiff-static package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

CVSS Scores

version 3.1