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CVE-2009-3941

UnknownEPSS 0.93%

Last modified

CVE-2009-3941 is a vulnerability of currently unknown severity. Martin Lambers mpop before 1.0.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

Martin Lambers mpop before 1.0.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Metrics

EPSS Probability
0.93%

56.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Martin LambersMpop<= 1.0.18
Martin LambersMpop0.1.0
Martin LambersMpop0.1.1
Martin LambersMpop0.1.2
Martin LambersMpop0.1.3
Martin LambersMpop0.1.4
Martin LambersMpop0.2.0
Martin LambersMpop0.3.0
Martin LambersMpop0.3.1
Martin LambersMpop0.4.0
Martin LambersMpop0.4.1
Martin LambersMpop0.4.2
Martin LambersMpop0.4.3
Martin LambersMpop0.5.0
Martin LambersMpop0.6.0
Martin LambersMpop0.6.1
Martin LambersMpop0.6.2
Martin LambersMpop0.6.3
Martin LambersMpop0.7.0
Martin LambersMpop0.8.0
Martin LambersMpop0.8.1
Martin LambersMpop0.8.2
Martin LambersMpop0.8.3
Martin LambersMpop0.8.4
Martin LambersMpop0.8.5
Martin LambersMpop1.0.0
Martin LambersMpop1.0.1
Martin LambersMpop1.0.2
Martin LambersMpop1.0.3
Martin LambersMpop1.0.4
Martin LambersMpop1.0.5
Martin LambersMpop1.0.6
Martin LambersMpop1.0.8
Martin LambersMpop1.0.9
Martin LambersMpop1.0.10
Martin LambersMpop1.0.11
Martin LambersMpop1.0.12
Martin LambersMpop1.0.13
Martin LambersMpop1.0.14
Martin LambersMpop1.0.15
Martin LambersMpop1.0.16
Martin LambersMpop1.0.17

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-3941?
Martin Lambers mpop before 1.0.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
How severe is CVE-2009-3941?
Severity scoring for CVE-2009-3941 is pending analysis. The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2009-3941?
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.

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Source: NVD / NIST