CVE-2015-2694
Last modified
CVE-2015-2694 is a vulnerability of currently unknown severity. The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c.. EPSS estimates a 2.81% chance of exploitation in the next 30 days.
Description
The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | 1.12 |
| Mit | Kerberos 5 | 1.12.1 |
| Mit | Kerberos 5 | 1.12.2 |
| Mit | Kerberos 5 | 1.12.3 |
| Mit | Kerberos 5 | 1.13 |
| Mit | Kerberos 5 | 1.13.1 |
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8160Vendor Advisory
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8160Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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