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CVE-2012-2213

UnknownEPSS 12.31%

Last modified

CVE-2012-2213 is a vulnerability of currently unknown severity. Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a "req_header Host" acl regex that matches www.uol.com.br. EPSS estimates a 12.31% chance of exploitation in the next 30 days.

Description

Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a "req_header Host" acl regex that matches www.uol.com.br

Metrics

EPSS Probability
12.31%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Squid-CacheSquid3.1.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-2213?
Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a vulnerable system, and the observed behavior is consistent with a squid.conf file that was (perhaps inadvertently) designed to allow access based on a "req_header Host" acl regex that matches www.uol.com.br
How severe is CVE-2012-2213?
Severity scoring for CVE-2012-2213 is pending analysis. The EPSS model estimates a 12.31% probability of exploitation in the next 30 days.
How do I fix CVE-2012-2213?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-2213?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST