Description
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Debian / debian_linux9.0 – 9.0
- fedoraproject / fedora33 – 33
- MIT / Kerberos 51.18.5
- oracle / communications_cloud_native_core_network_slice_selection_function22.1.0 – 22.1.0
- starwindsoftware / starwind_virtual_sanv8r13 – v8r13
References
- VENDOR_ADVISORYhttps://web.mit.edu/kerberos/advisories/
- PATCHhttps://github.com/krb5/krb5/releases
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpujul2022.html
- PATCHhttps://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
- MISChttps://security.netapp.com/advisory/ntap-20210923-0002/
- MISChttps://www.starwindsoftware.com/security/sw-20220817-0004/
Updated 20m ago · 8 sources