Auth bypass in Eid Eidlib
CVE-2009-0049
Belgian eID middleware (eidlib) 2.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.
Vulnerability class: Broken Authentication
EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.
Affected products
- Eid Eidlib
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
Frequently asked questions
- What is CVE-2009-0049?
- CVE-2009-0049 is a vulnerability in Eid Eidlib, classified under Improper Authentication. Published 2009-01-07.
- Is CVE-2009-0049 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.