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    CVE-2010-4252

    OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol.

    Published:Nov 29, 2010
    Last Modified:Apr 11, 2025
    EPS:Dec 6, 2010
    EPSS Score:0.02837
    CVSS Score:7.5

    Affected Products

    Vendor
    Openssl
    Product
    Openssl

    Exploits

    http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdfhttp://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-194 Fake the Source of Data
    CAPEC-22 Exploiting Trust in Client
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-578 Disable Security Software
    CAPEC-593 Session Hijacking
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

    CVE-2026-75803 (CVSS 9.1) — Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without ve…
    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

    http://cvs.openssl.org/chngview?cn=20098
    http://marc.info/?l=bugtraq&m=129916880600544&w=2
    http://marc.info/?l=bugtraq&m=130497251507577&w=2
    http://openssl.org/news/secadv_20101202.txt
    http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf
    http://secunia.com/advisories/42469
    http://secunia.com/advisories/57353
    http://securitytracker.com/id?1024823
    http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
    http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
    http://www.securityfocus.com/bid/45163
    http://www.vupen.com/english/advisories/2010/3120
    http://www.vupen.com/english/advisories/2010/3122
    https://bugzilla.redhat.com/show_bug.cgi?id=659297
    https://github.com/seb-m/jpake
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039
    http://cvs.openssl.org/chngview?cn=20098
    http://marc.info/?l=bugtraq&m=129916880600544&w=2
    http://marc.info/?l=bugtraq&m=130497251507577&w=2
    http://openssl.org/news/secadv_20101202.txt
    http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf
    http://secunia.com/advisories/42469
    http://secunia.com/advisories/57353
    http://securitytracker.com/id?1024823
    http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
    http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
    http://www.securityfocus.com/bid/45163
    http://www.vupen.com/english/advisories/2010/3120
    http://www.vupen.com/english/advisories/2010/3122
    https://bugzilla.redhat.com/show_bug.cgi?id=659297
    https://github.com/seb-m/jpake
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039

    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