QID 352299

Date Published: 2021-05-19

QID 352299: Amazon Linux Security Update for python26 python27: AL2012-2021-338

Package updates are available for Amazon Linux that fix the following vulnerabilities:
CVE-2021-3177: A flaw was found in python. A stack-based buffer overflow was discovered in the ctypes module provided within Python. Applications that use ctypes without carefully validating the input passed to it may be vulnerable to this flaw, which would allow an attacker to overflow a buffer on the stack and crash the application. The highest threat from this vulnerability is to system availability. 1918168:
CVE-2021-3177 python: stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c 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.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
  • Solution
    Administrators are advised to apply the appropriate software updates.
    Vendor References

    CVEs related to QID 352299

    Software Advisories
    Advisory ID Software Component Link
    AL2012-2021-338 Amazon Linux Bare Metal URL Logo docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html