CVE-2014-4344
Last modified
CVE-2014-4344 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.61% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Hpc Node | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Mit | Kerberos 5 | 1.10 |
| Mit | Kerberos 5 | 1.10.1 |
| Mit | Kerberos 5 | 1.10.2 |
| Mit | Kerberos 5 | 1.10.3 |
| Mit | Kerberos 5 | 1.10.4 |
| Mit | Kerberos 5 | 1.11 |
| Mit | Kerberos 5 | 1.11.1 |
| Mit | Kerberos 5 | 1.11.2 |
| Mit | Kerberos 5 | 1.11.3 |
| Mit | Kerberos 5 | 1.11.4 |
| Mit | Kerberos 5 | 1.11.5 |
| Mit | Kerberos 5 | 1.12 |
| Mit | Kerberos 5 | 1.12.1 |
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7970Issue Tracking, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0439.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3000Third Party Advisory
- https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edcIssue Tracking, Patch, Third Party Advisory
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7970Issue Tracking, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0439.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3000Third Party Advisory
- https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edcIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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