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CVE-2009-0591

UnknownEPSS 2.73%

Last modified

CVE-2009-0591 is a vulnerability of currently unknown severity. The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.. EPSS estimates a 2.73% chance of exploitation in the next 30 days.

Description

The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.

Metrics

EPSS Probability
2.73%

84.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensslOpenssl0.9.8h
OpensslOpenssl0.9.8i
OpensslOpenssl0.9.8j

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0591?
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
How severe is CVE-2009-0591?
Severity scoring for CVE-2009-0591 is pending analysis. The EPSS model estimates a 2.73% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0591?
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-2009-0591?

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

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Source: NVD / NIST