CVE-2016-4553
high-risk
Published 2016-05-10
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.
Do I need to act?
!
82.8% chance of exploitation in next 30 days
EPSS score — higher than 17% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10
High
NETWORK
/ LOW complexity
Affected Products (15)
Affected Vendors
References (26)
Vendor Advisory
http://bugs.squid-cache.org/show_bug.cgi?id=4501
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
Third Party Advisory
http://www.securitytracker.com/id/1035768
Vendor Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_7.txt
Third Party Advisory
http://www.ubuntu.com/usn/USN-2995-1
Vendor Advisory
http://bugs.squid-cache.org/show_bug.cgi?id=4501
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
Third Party Advisory
http://www.securitytracker.com/id/1035768
and 6 more references
67
/ 100
high-risk
Severity
29/34 · Critical
Exploitability
20/34 · Moderate
Exposure
18/34 · Moderate