Bug 164815 - NSCD buffer overflow for large gids
Summary: NSCD buffer overflow for large gids
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: glibc (Show other bugs)
(Show other bugs)
Version: 4.0
Hardware: i386 Linux
Target Milestone: ---
: ---
Assignee: Jakub Jelinek
QA Contact: Brian Brock
Depends On: 163538
Blocks: 156322
TreeView+ depends on / blocked
Reported: 2005-08-01 16:11 UTC by Elena Zannoni
Modified: 2007-11-30 22:07 UTC (History)
2 users (show)

Fixed In Version: RHBA-2005-678
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2005-10-05 16:43:03 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2005:678 qe-ready SHIPPED_LIVE glibc bug fix update 2005-10-05 04:00:00 UTC

Description Elena Zannoni 2005-08-01 16:11:20 UTC
+++ This bug was initially created as a clone of Bug #163538 +++

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050623
Fedora/1.0.4-5 Firefox/1.0.4

Description of problem:
diff -aru glibc-orig/nscd/grpcache.c glibc-nscd-fix/nscd/grpcache.c
--- glibc-orig/nscd/grpcache.c  2005-02-22 17:53:39.000000000 -0500
+++ glibc-nscd-fix/nscd/grpcache.c      2005-07-18 01:36:20.000000000 -0400
@@ -167,7 +167,7 @@
       char *gr_name;
       char *cp;
       const size_t key_len = strlen (key);
-      const size_t buf_len = 3 + sizeof (grp->gr_gid) + key_len + 1;
+      const size_t buf_len = 3 * sizeof (grp->gr_gid) + key_len + 1;
       char *buf = alloca (buf_len);
       ssize_t n;
       size_t cnt;

Version-Release number of selected component (if applicable):

How reproducible:
Didn't try

Additional info:

Comment 2 Red Hat Bugzilla 2005-10-05 16:43:03 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


Note You need to log in before you can comment on or make changes to this bug.