Vulnerability CVE-2011-0285
Published: 2011-04-14   Modified: 2012-02-13

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
kadmind invalid pointer free()
Tom Yu
18.04.2011

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
MIT -> Kerberos 

 References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726
http://krbdev.mit.edu/rt/Ticket/Display.html?id=6899
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058181.html
http://securityreason.com/securityalert/8200
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2011:077
http://www.redhat.com/support/errata/RHSA-2011-0447.html
http://www.securityfocus.com/archive/1/517484/100/0/threaded
http://www.securityfocus.com/bid/47310
http://www.securitytracker.com/id?1025320
http://www.vupen.com/english/advisories/2011/0936
http://www.vupen.com/english/advisories/2011/0986
http://www.vupen.com/english/advisories/2011/0997
https://hermes.opensuse.org/messages/8086843
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