Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | belpic | 2.5.9-7.etch.1 | DSA-1946-1 |
Advisories 1
- DSA-1946-1 belpic - cryptographic weakness Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20090107 [oCERT-2008-016] Multiple OpenSSL signature verification API misuses mailing-list
- SUSE-SR:2009:005 vendor-advisory
- http://www.ocert.org/advisories/ocert-2008-016.html
- 34029 third-party-advisory