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CVE-2009-0051

UnknownEPSS 1.17%

Last modified

CVE-2009-0051 is a vulnerability of currently unknown severity. ZXID 0.29 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

ZXID 0.29 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

Metrics

EPSS Probability
1.17%

63.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ZxidZxid<= 0.29
ZxidZxid0.1
ZxidZxid0.2
ZxidZxid0.3
ZxidZxid0.4
ZxidZxid0.5
ZxidZxid0.6
ZxidZxid0.7
ZxidZxid0.8
ZxidZxid0.9
ZxidZxid0.10
ZxidZxid0.11
ZxidZxid0.12
ZxidZxid0.13
ZxidZxid0.14
ZxidZxid0.15
ZxidZxid0.16
ZxidZxid0.17
ZxidZxid0.18
ZxidZxid0.19
ZxidZxid0.20
ZxidZxid0.21
ZxidZxid0.22
ZxidZxid0.25
ZxidZxid0.26
ZxidZxid0.27
ZxidZxid0.28

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0051?
ZXID 0.29 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
How severe is CVE-2009-0051?
Severity scoring for CVE-2009-0051 is pending analysis. The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0051?
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-2009-0051?

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

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Source: NVD / NIST