CVE-2020-25097

high

Description

An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.

References

http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch

http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch

https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6

https://www.debian.org/security/2021/dsa-4873

https://lists.fedoraproject.org/archives/list/[email protected]/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/

https://lists.fedoraproject.org/archives/list/[email protected]/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/

https://lists.fedoraproject.org/archives/list/[email protected]/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/

https://security.gentoo.org/glsa/202105-14

https://security.netapp.com/advisory/ntap-20210727-0010/

Details

Source: MITRE

Published: 2021-03-19

Updated: 2022-04-05

Type: CWE-20

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 8.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Impact Score: 4

Exploitability Score: 3.9

Severity: HIGH