CVE-2020-25097 — Improper Input Validation in Squid

CWE-20 — Improper Input ValidationCWE-444 — HTTP Request Smuggling7 documents6 sources
Severity
8.6HIGHNVD
EPSS
0.6%
top 30.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SquidSquid-cache SquidDebian Linux+1 more
Timeline
PublishedMar 19
Latest updateMar 29

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NExploitability: 3.9 | Impact: 4.0

Affected Packages2 packages

▶NVDsquid-cache/squid2.0 — 4.14+1
▶Debiansquid/squid< 4.13-8+3

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

Patches

Patch: www.squid-cache.org ↗Patch: www.squid-cache.org ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
squid, squid3 vulnerabilities↗2021-03-29
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CVEList
CVE-2020-25097: An issue was discovered in Squid through 4↗2021-03-19
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OSV
CVE-2020-25097: An issue was discovered in Squid through 4↗2021-03-19
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📋Vendor Advisories

3
Ubuntu
Squid vulnerabilities↗2021-03-29
▶
Red Hat
squid: improper input validation may allow a trusted client to perform HTTP request smuggling↗2020-09-04
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Debian
CVE-2020-25097: squid - An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to impr...↗2020
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CVE-2020-25097 — Improper Input Validation in Squid | cvebase