Strix
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CVE-2012-5823

UnknownEPSS 0.57%

Last modified

CVE-2012-5823 is a vulnerability of currently unknown severity. Open Source Classifieds does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Open Source Classifieds does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.

Metrics

EPSS Probability
0.57%

42.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensourceclassifiedsOpensourceclassifiedsAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-5823?
Open Source Classifieds does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.
How severe is CVE-2012-5823?
Severity scoring for CVE-2012-5823 is pending analysis. The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2012-5823?
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-2012-5823?

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

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Source: NVD / NIST