Description
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.
CVSS Metrics
- Vector
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- network
- Access Cmplx
- low
- Auth
- none
- Confidentiality
- none
- Integrity
- none
- Availability
- complete
- Weaknesses
- CWE-476
Metadata
- Primary Vendor
- DEBIAN
- Published
- 8/14/2014
- Last Modified
- 4/12/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
debian : debian_linuxredhat : enterprise_linux_desktopredhat : enterprise_linux_hpc_noderedhat : enterprise_linux_serverredhat : enterprise_linux_workstationmit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5mit : kerberos_5
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