APP: Kerberos kpasswd process_chpw_request Denial Of Service

This signature detects attempts to exploit a known vulnerability against Kerberos. A successful attack can result in a denial-of-service condition.

Extended Description

The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.

Affected Products

Mit kerberos_5

References

BugTraq: 47310

CVE: CVE-2011-0285

Short Name
APP:KERBEROS:KPASSWD-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
CVE-2011-0285 Denial Kerberos Of Service bid:47310 kpasswd process_chpw_request
Release Date
10/04/2016
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3761
Port
TCP/464
False Positive
Unknown
Vendors

Mit

CVSS Score

10.0

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