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Bug#: 261512
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Status: RESOLVED
Resolution: FIXED
Assigned To: Gentoo Security <security@gentoo.org>
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Reporter: Robert Buchholz <rbu@gentoo.org>
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Bug 261512 depends on: 261108 Show dependency tree
Bug 261512 blocks:

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Description:   Opened: 2009-03-07 00:25 0000 
On Thursday 05 March 2009, Jan Lieskovsky wrote:
  Marcus Granado recently reported a security issue in 
libpam related to parsing of non-ascii usernames in
the Pam configuration files. Attaching his report for
more details.

Affected version: pam <= 1.0.3

Link to SCM repo:
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log
Patch:
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp;r2=1.10&amp;view=patch


Could you please allocate a new CVE id for it?

------- Comment #1 From Diego E. 'Flameeyes' Pettenò 2009-03-07 00:29:08 0000 ------- 
ebuild? If this is <= 1.0.3 (and it seems to be from the CVS logs), this is
getting stabled together with bug #261108.

------- Comment #2 From Robert Buchholz 2009-03-07 00:47:54 0000 ------- 
correct, the patch is applied in 1.0.3 -- my fault.

------- Comment #3 From Stefan Behte 2009-03-12 21:06:08 0000 ------- 
CVE-2009-0887 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0887):
  Integer signedness error in the _pam_StrTok function in
  libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a
  configuration file contains non-ASCII usernames, might allow remote
  attackers to cause a denial of service, and might allow remote
  authenticated users to obtain login access with a different user's
  non-ASCII username, via a login attempt.

------- Comment #4 From Robert Buchholz 2009-07-10 13:00:09 0000 ------- 
i vote YES

------- Comment #5 From Stefan Behte 2009-07-10 18:01:55 0000 ------- 
YES, too. Request filed.

------- Comment #6 From Alex Legler 2009-09-07 00:59:27 0000 ------- 
GLSA 200909-01
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