Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 12.04 |
| Squid-Cache | Squid | <= 3.5.17 |
| Oracle | Linux | 7 |
Related Weaknesses (CWE)
References
- http://bugs.squid-cache.org/show_bug.cgi?id=4501Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
- http://www.debian.org/security/2016/dsa-3625
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.hThird Party Advisory
- http://www.securitytracker.com/id/1035768Third Party Advisory
- http://www.squid-cache.org/Advisories/SQUID-2016_7.txtVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14039.patch
- http://www.ubuntu.com/usn/USN-2995-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1139
- https://access.redhat.com/errata/RHSA-2016:1140
- https://security.gentoo.org/glsa/201607-01
- http://bugs.squid-cache.org/show_bug.cgi?id=4501Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
FAQ
What is CVE-2016-4553?
CVE-2016-4553 is a vulnerability with a CVSS score of 8.6 (HIGH). 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...
How severe is CVE-2016-4553?
CVE-2016-4553 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4553?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Squid-Cache Squid, Oracle Linux.