CVE-2008-5077

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-01-07 · updated 2026-06-16
Weakness: CWE-20

Description

OpenSSL 0.9.8i and earlier does not properly check the return value from the 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.

Affected products

OpenSSL: through 0.9.8h; 0.9.1c, 0.9.2b, 0.9.3, 0.9.3a, 0.9.4, 0.9.5 (+52)

References

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html
http://marc.info/?l=bugtraq&m=123859864430555&w=2
http://marc.info/?l=bugtraq&m=124277349419254&w=2
http://marc.info/?l=bugtraq&m=127678688104458&w=2
http://secunia.com/advisories/33338
http://secunia.com/advisories/33394
http://secunia.com/advisories/33436
http://secunia.com/advisories/33557
http://secunia.com/advisories/33673
http://secunia.com/advisories/33765

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