CVE-2020-25097

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.89% Top 30%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6 third party advisory patch
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch mailing list patch vendor advisory
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch mailing list patch vendor advisory
https://www.debian.org/security/2021/dsa-4873 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/ vendor advisory
https://security.gentoo.org/glsa/202105-14 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20210727-0010/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-25097?
CVE-2020-25097 has been scored as a high severity vulnerability.
How to fix CVE-2020-25097?
To fix CVE-2020-25097, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25097 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25097 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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