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SUSE: CVE-2019-12525: SUSE Linux Security Advisory

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SUSE: CVE-2019-12525: SUSE Linux Security Advisory

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
07/11/2019
Created
08/10/2019
Added
08/09/2019
Modified
10/22/2021

Description

An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token's value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1.

Solution(s)

  • suse-upgrade-squid
  • suse-upgrade-squid3

References

  • SUSE-SU-2019:2089-1
  • SUSE-SU-2019:2089-2
  • SUSE-SU-2019:2975-1
  • SUSE-SU-2020:14460-1
  • USN-4065-1
  • USN-4065-2
  • CVE-2019-12525
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