CVE-2003-0131

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-03-24 · updated 2026-06-16

Description

The SSL and TLS components for OpenSSL 0.9.6i and earlier, 0.9.7, and 0.9.7a allow remote attackers to perform an unauthorized RSA private key operation via a modified Bleichenbacher attack that uses a large number of SSL or TLS connections using PKCS #1 v1.5 padding that cause OpenSSL to leak information regarding the relationship between ciphertext and the associated plaintext, aka the "Klima-Pokorny-Rosa attack."

Affected products

OpenSSL: 0.9.6, 0.9.6a, 0.9.6b, 0.9.6c, 0.9.6d, 0.9.6e (+5)

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000625
http://eprint.iacr.org/2003/052/
http://lists.apple.com/mhonarc/security-announce/msg00028.html
http://marc.info/?l=bugtraq&m=104811162730834&w=2
http://marc.info/?l=bugtraq&m=104852637112330&w=2
http://marc.info/?l=bugtraq&m=104878215721135&w=2
http://www.debian.org/security/2003/dsa-288
http://www.gentoo.org/security/en/glsa/glsa-200303-20.xml
http://www.kb.cert.org/vuls/id/888801

Get alerted when CVE-2003-0131 or the next vulnerability affects your stack