CVE-2020-11945

Public on 2020-06-01
Modified on 2020-07-15
Description
A flaw was found in Squid, where a remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This issue occurs because the attacker can overflow the nonce reference counter, which results in remote code execution if the pooled token credentials are freed.
Severity
Important
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 squid 2020-06-26 22:56 ALAS2-2020-1448
Amazon Linux 1 squid 2020-06-23 06:08 ALAS-2020-1386
Amazon Linux 1 squid 2020-06-01 12:25 ALAS-2020-1378
Amazon Linux 1 squid 2020-06-23 06:08 ALAS-2020-1386
Amazon Linux 1 squid 2020-06-01 12:25 ALAS-2020-1378

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H