ALAS-2023-1774

Related Vulnerabilities: CVE-2019-12526  

An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap. (CVE-2019-12526)

ALAS-2023-1774


Amazon Linux AMI Security Advisory: ALAS-2023-1774
Advisory Release Date: 2023-06-21 19:11 Pacific
Advisory Updated Date: 2023-06-29 23:52 Pacific
Severity: Important

Issue Overview:

An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap. (CVE-2019-12526)


Affected Packages:

squid


Issue Correction:
Run yum update squid to update your system.

New Packages:
i686:
    squid-debuginfo-3.5.20-17.49.amzn1.i686
    squid-3.5.20-17.49.amzn1.i686
    squid-migration-script-3.5.20-17.49.amzn1.i686

src:
    squid-3.5.20-17.49.amzn1.src

x86_64:
    squid-migration-script-3.5.20-17.49.amzn1.x86_64
    squid-3.5.20-17.49.amzn1.x86_64
    squid-debuginfo-3.5.20-17.49.amzn1.x86_64