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.
SeverityHigh
CVSS8.6
Exploit probability—
Product
Squid
PublishedMar 19, 2021
First seenMar 19, 2021
How to fix
Update
- squid-cache squid4.14, 5.0.5 or later
Vendor advisories
- debian.org/security/2021/dsa-4873
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
- security.gentoo.org/glsa/202105-14
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| squid-cache squid | 2.0 ≤ v < 4.14, 5.0.1 ≤ v < 5.0.5 | 4.14, 5.0.5 |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 32, 33, 34 | — |
| netapp cloud_manager | No range specified | — |
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