QID 356436

Date Published: 2023-10-31

QID 356436: Amazon Linux Security Advisory for libtiff : ALAS2-2023-2300

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. (
( CVE-2020-18768) a heap buffer overflow in extractimagesection function in tiffcrop.c in libtiff library version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted tiff image file which could result into application crash, potential information disclosure or any other context-dependent impact (cve-2022-0891) a heap-buffer-overflow vulnerability was found in libtiff, in extractimagesection() at tools/tiffcrop.c:7916 and tools/tiffcrop.c:7801.
This flaw allows attackers to cause a denial of service via a crafted tiff file. (
( CVE-2023-3164)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.1 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2300 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356436

    CVE-2020-18768 | CVE-2023-3164 | CVE-2022-0891 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2300 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2300.html
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