Remote Cache-Poisoning Vulnerability in Squid Proxy Server
CVE-2016-4554

8.6HIGH

Key Information:

Vendor

Oracle
Status
Linux
Vendor
CVE Published:
10 May 2016

What is CVE-2016-4554?

The Squid Proxy Server suffers from a vulnerability where improper handling of the HTTP Host header allows remote attackers to bypass same-origin policy restrictions. This security flaw can potentially lead to cache-poisoning attacks, enabling incorrect content to be cached and served to users. Ensuring your Squid installations are updated is critical for maintaining the integrity and security of your network.

References

https://security.gentoo.org/glsa/201607-01
vendor-advisoryx_refsource_GENTOO
http://www.oracle.com/technetwork/topics/security/linuxbu...
x_refsource_CONFIRM
http://www.squid-cache.org/Versions/v3/3.3/changesets/SQU...
x_refsource_CONFIRM

EPSS Score

73% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.