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Huawei EulerOS: CVE-2019-12524: squid security update

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Huawei EulerOS: CVE-2019-12524: squid security update

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
04/15/2020
Created
09/01/2020
Added
08/31/2020
Modified
11/27/2024

Description

An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.

Solution(s)

  • huawei-euleros-2_0_sp8-upgrade-squid

References

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