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    CVE-2010-0731

    The gnutls_x509_crt_get_serial function in the GnuTLS library before 1.2.1, when running on big-endian, 64-bit platforms, calls the asn1_read_value with a pointer to the wrong data type and the wrong length value, which allows remote attackers to bypass the certificate revocation list (CRL) check and cause a stack-based buffer overflow via a crafted X.509 certificate, related to extraction of a serial number.

    Published:Mar 25, 2010
    Last Modified:Apr 11, 2025
    EPS:Mar 26, 2010
    EPSS Score:0.03085
    CVSS Score:7.5

    Affected Products

    Vendor
    Gnu
    Product
    Gnutls
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230https://bugzilla.redhat.com/show_bug.cgi?id=573028http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230https://bugzilla.redhat.com/show_bug.cgi?id=573028

    Related CVEs

    CVE-2026-42014 (CVSS 6.6) — A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer…
    CVE-2026-5419 (CVSS 3.7) — A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This…
    CVE-2026-42013 (CVSS 8.2) — A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could ca…
    CVE-2026-42012 (CVSS 7.1) — A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially craft…
    CVE-2026-5260 (CVSS 8.2) — A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA…
    CVE-2026-33846 (CVSS 7.5) — A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The iss…
    CVE-2026-3832 (CVSS 3.7) — A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially craft…
    CVE-2026-33845 (CVSS 7.5) — A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leadi…
    CVE-2026-3833 (CVSS 6.5) — A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `n…
    CVE-2026-42009 (CVSS 7.5) — A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security …

    References

    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://secunia.com/advisories/39127
    http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:089
    http://www.redhat.com/support/errata/RHSA-2010-0167.html
    http://www.securityfocus.com/bid/38959
    http://www.vupen.com/english/advisories/2010/0713
    http://www.vupen.com/english/advisories/2010/1054
    https://bugzilla.redhat.com/show_bug.cgi?id=573028
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9759
    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://secunia.com/advisories/39127
    http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:089
    http://www.redhat.com/support/errata/RHSA-2010-0167.html
    http://www.securityfocus.com/bid/38959
    http://www.vupen.com/english/advisories/2010/0713
    http://www.vupen.com/english/advisories/2010/1054
    https://bugzilla.redhat.com/show_bug.cgi?id=573028
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9759

    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