QID 240295

Date Published: 2022-05-11

QID 240295: Red Hat Update for c-ares (RHSA-2022:2043)

the c-ares c library defines asynchronous dns (domain name system) requests and provides name resolving api.

Security Fix(es):
  • c-ares: missing input validation of host names may lead to domain hijacking (cve-2021-3672)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64



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 security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Medium - 5.6 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:2043 for updates and patch information.
    Vendor References

    CVEs related to QID 240295

    CVE-2021-3672 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:2043 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:2043
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