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.

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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

JSON
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