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
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/archive/1/499827/100/0/threaded (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html (vendor-advisory)
- www.ocert.org/advisories/ocert-2008-016.html
- secunia.com/advisories/34029 (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.