Bug 1026203 - Missing crypt() NULL checks in pam modules
Summary: Missing crypt() NULL checks in pam modules
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: pam
Version: 6.5
Hardware: Unspecified
OS: Unspecified
medium
unspecified
Target Milestone: rc
: ---
Assignee: Tomas Mraz
QA Contact: Dalibor Pospíšil
URL:
Whiteboard:
: 1009976 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-11-04 08:11 UTC by Qiao Zhao
Modified: 2018-12-09 17:15 UTC (History)
5 users (show)

Fixed In Version: pam-1.1.1-18.el6
Doc Type: Bug Fix
Doc Text:
no doc text needed
Clone Of:
Environment:
Last Closed: 2014-10-14 08:09:57 UTC
Target Upstream Version:

Attachments (Terms of Use)
core file (748.00 KB, application/x-core)
2013-11-04 08:11 UTC, Qiao Zhao 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2014:1579 0 normal SHIPPED_LIVE pam bug fix update 2014-10-14 01:27:19 UTC

Description Qiao Zhao 2013-11-04 08:11:16 UTC 
Created attachment 818956 [details]
core file

Description of problem:
Occur Segmentation faule (core dumped) when I change passwd on my kvm guest

Version-Release number of selected component (if applicable):
kernel: 2.6.32-425.el6.x86_64
glibc: glibc-2.12-1.129.el6.x86_64

How reproducible:
always

Steps to Reproduce:
1. Update kernel to 2.6.32-425.el6.x86_64
2. change root passwd # passwd
3.

Actual results:
[root@localhost ~]# passwd 
Changing password for user root.
New password: 
BAD PASSWORD: it is based on a dictionary word
BAD PASSWORD: is too simple
Retype new password: 
Segmentation fault (core dumped)

# dmesg
passwd[11228]: segfault at 0 ip 00007eac0b5fe7c4 sp 00007fff842e76f8 error 4 in libc-2.12.so[7eac0b57c000+18a000]

Expected results:
No segmentation fault

Additional info:
Comment 13 Tomas Mraz 2014-06-19 13:22:09 UTC 
*** Bug 1009976 has been marked as a duplicate of this bug. ***
Comment 16 errata-xmlrpc 2014-10-14 08:09:57 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-1579.html
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