QID 355172

Date Published: 2023-05-29

QID 355172: Amazon Linux Security Advisory for openexr : ALAS2023-2023-022

An integer overflow could occur when openexr processes a crafted file on systems where size_t is less than 64 bits.
This issue could cause an invalid bytesperline and maxbytesperline value, which leads to problems with application stability or other attack paths. (
( CVE-2021-3933) in imfchromaticities.cpp routine rgbtoxyz(), there are some division operations such as `float z = (1 - chroma.white.x - chroma.white.y) * y / chroma.white.y;` and `chroma.green.y * (x + z))) / d;` but the divisor is not checked for a 0 value.
A specially crafted file could trigger a divide-by-zero condition which could affect the availability of programs linked with openexr. (
( CVE-2021-3941)



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 - 6.5 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2023-022 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355172

    CVE-2021-3941 | CVE-2021-3933 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-022 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-022.html
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