8.6high

CVE-2016-4553in critical feed

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which a…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.6
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
80.0%
percentile 100%
Public exploits
0
none known

Summary

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

Exploit prediction (EPSS)

79.97% probability of exploitation in the next 30 days, higher than 100% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.6CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-345 Insufficient Verification of Data Authenticity

References

  • security.gentoo.org /glsa/201607-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinapr2016-2952096.html · x_refsource_CONFIRM, x_transferred
  • bugs.squid-cache.org /show_bug.cgi?id=4501 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00010.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • squid-cache.org /Advisories/SQUID-2016_7.txt · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2995-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • squid-cache.org /Versions/v3/3.5/changesets/squid-3.5-14039.patch · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2016:1140 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-08/msg00069.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • access.redhat.com /errata/RHSA-2016:1139 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00040.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securitytracker.com /id/1035768 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2016/dsa-3625 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.