Home/CVE/Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.c
CVE

CVE-2019-18860

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.c

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.

MEDIUM · CVSS 6.1 EPSS 0.04339
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

4
squid-cache squid< 4.9
debian linuxall versions
canonical ubuntu linuxall versions
opensuse leapall versions
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Mar 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:11403-1
suse-csafSUSE-SU-2020:14460-1
rhsaRHSA-2020:4743Moderate
suse-csafSUSE-SU-2020:1803-1
usnUSN-4356-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.htmlMailing ListThird Party Advisory
https://github.com/squid-cache/squid/pull/504PatchThird Party Advisory
https://github.com/squid-cache/squid/pull/505PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/4356-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4732Third Party Advisory
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