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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 2.94% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- gnu/gnutls
- Source
- secalert@redhat.com
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/4230Exploit
- 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/2010/0713Patch, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/1054
- https://bugzilla.redhat.com/show_bug.cgi?id=573028Exploit
- 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/4230Exploit
- 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/2010/0713Patch, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/1054
- https://bugzilla.redhat.com/show_bug.cgi?id=573028Exploit
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9759
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.