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    CVE-2003-0131

    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."

    Published:Mar 19, 2003
    Last Modified:Apr 16, 2026
    EPS:Mar 21, 2003
    EPSS Score:0.17937
    CVSS Score:7.5

    Affected Products

    Vendor
    Openssl
    Product
    Openssl
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Linux
    Vendor
    Redhat
    Product
    Stronghold

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-63075 (CVSS 7.5) — Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets whi…
    CVE-2026-63072 (CVSS 7.5) — Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key s…
    CVE-2026-54874 (CVSS 7.5) — Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to b…
    CVE-2026-14457 (CVSS 7.5) — Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the p…
    CVE-2026-63076 (CVSS 7.5) — Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parame…
    CVE-2026-63074 (CVSS 5.9) — Issue summary: The OpenSSL Certificate Management Protocol (CMP) caches additional certificates (extraCerts) s…
    CVE-2026-63073 (CVSS 9.8) — Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directl…
    CVE-2026-18798 (CVSS 7.5) — Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for i…
    CVE-2026-14456 (CVSS 7.5) — Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unkn…

    References

    ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-007.txt.asc
    ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-2003-014.0.txt
    ftp://patches.sgi.com/support/free/security/advisories/20030501-01-I
    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
    http://www.linuxsecurity.com/advisories/immunix_advisory-3066.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:035
    http://www.openpkg.org/security/OpenPKG-SA-2003.026-openssl.html
    http://www.openssl.org/news/secadv_20030319.txt
    http://www.redhat.com/support/errata/RHSA-2003-101.html
    http://www.redhat.com/support/errata/RHSA-2003-102.html
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/bid/7148
    https://exchange.xforce.ibmcloud.com/vulnerabilities/11586
    https://lists.opensuse.org/opensuse-security-announce/2003-04/msg00005.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A461
    ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-007.txt.asc
    ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-2003-014.0.txt
    ftp://patches.sgi.com/support/free/security/advisories/20030501-01-I
    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
    http://www.linuxsecurity.com/advisories/immunix_advisory-3066.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:035
    http://www.openpkg.org/security/OpenPKG-SA-2003.026-openssl.html
    http://www.openssl.org/news/secadv_20030319.txt
    http://www.redhat.com/support/errata/RHSA-2003-101.html
    http://www.redhat.com/support/errata/RHSA-2003-102.html
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/archive/1/316577/30/25310/threaded
    http://www.securityfocus.com/bid/7148
    https://exchange.xforce.ibmcloud.com/vulnerabilities/11586
    https://lists.opensuse.org/opensuse-security-announce/2003-04/msg00005.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A461

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High