Description
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
CVSS Metrics
- Vector
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- network
- Access Cmplx
- low
- Auth
- single
- Confidentiality
- none
- Integrity
- none
- Availability
- partial
- Weaknesses
- CWE-125
Metadata
- Primary Vendor
- MIT
- Published
- 11/9/2015
- Last Modified
- 4/12/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
mit : kerberos_5oracle : solariscanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxdebian : debian_linuxdebian : debian_linuxdebian : debian_linuxopensuse : leapopensuse : opensuseopensuse : opensusesuse : linux_enterprise_desktopsuse : linux_enterprise_serversuse : linux_enterprise_software_development_kit
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