QID 355241

Date Published: 2023-05-29

QID 355241: Amazon Linux Security Advisory for ruby3.2 : ALAS2023-2023-158

A redos issue was discovered in the uri component through 0.12.0 in ruby through 3.2.1.
The uri parser mishandles invalid urls that have specific characters.
It causes an increase in execution time for parsing strings to uri objects.
The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1. (
( CVE-2023-28755) a redos issue was discovered in the time component through 0.2.1 in ruby through 3.2.1.
The time parser mishandles invalid urls that have specific characters.
It causes an increase in execution time for parsing strings to time objects.
The fixed versions are 0.1.1 and 0.2.2. (
( CVE-2023-28756)



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 Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2023-158 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355241

    CVE-2023-28755 | CVE-2023-28756 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-158 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-158.html
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