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Amazon Linux AMI: CVE-2023-32067: Security patch for c-ares (ALAS-2023-1770)

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Amazon Linux AMI: CVE-2023-32067: Security patch for c-ares (ALAS-2023-1770)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
05/25/2023
Created
07/05/2023
Added
07/04/2023
Modified
01/28/2025

Description

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.

Solution(s)

  • amazon-linux-upgrade-c-ares

References

  • ALAS-2023-1770
  • CVE-2023-32067
  • 查看数 717
  • 已创建
  • 最后回复

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