CVE-2009-0127
EPSS 0.15%
Description
M2Crypto does not properly check the return value from the OpenSSL EVP_VerifyFinal, DSA_verify, ECDSA_verify, DSA_do_verify, and ECDSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: a Linux vendor disputes the relevance of this report to the M2Crypto product because "these functions are not used anywhere in m2crypto.
How to fix CVE-2009-0127
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/m2crypto—no fix listed
Is CVE-2009-0127 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0