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CVE-2020-14058

Public on 2020-06-30
Modified on 2024-01-18
Description

An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized error values are mapped to NULL, but later code expects that each error value is mapped to a valid error string.

Severity
Important
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CVSS v3 Base Score
7.7
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 squid 2023-05-25 17:41 ALAS-2023-1754
Amazon Linux 2 - Core squid 2023-05-25 17:41 ALAS2-2023-2063

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H