Bug 871614 (CVE-2012-4560) - CVE-2012-4560 libssh: multiple buffer overflow flaws
Summary: CVE-2012-4560 libssh: multiple buffer overflow flaws
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2012-4560
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=moderate,public=20121120,repor...
Depends On: 861966 878521
Blocks: 815693
TreeView+ depends on / blocked
 
Reported: 2012-10-30 21:02 UTC by Vincent Danen
Modified: 2019-06-08 19:17 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-07-16 12:39:10 UTC


Attachments (Terms of Use)
CVE-2012-4560-Fix-possible-integer-overflow-in-ssh_g.patch (897 bytes, patch)
2012-11-14 08:51 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-multiple-integer-overflows-in-buff.patch (2.83 KB, patch)
2012-11-14 08:51 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-a-possible-infinite-loop-in-buffer.patch (1.22 KB, patch)
2012-11-14 08:52 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-possible-integer-overflows.patch (1.51 KB, patch)
2012-11-14 08:52 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-a-write-one-past-the-end-of-the-u-.patch (719 bytes, patch)
2012-11-14 08:52 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-a-write-one-past-the-end-of-buf.patch (1.08 KB, patch)
2012-11-14 08:53 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-a-write-one-past-the-end-of-the-u-.patch (719 bytes, patch)
2012-11-14 16:43 UTC, Andreas Schneider
no flags Details | Diff
CVE-2012-4560-Fix-a-write-one-past-the-end-of-buf.patch (1.08 KB, patch)
2012-11-14 16:44 UTC, Andreas Schneider
no flags Details | Diff

Description Vincent Danen 2012-10-30 21:02:33 UTC
Florian Weimer of the Red Hat Product Security Team reported two cases where a function in libssh would write one past the end of the buffer (the u buffer in misc.c:ssh_path_expand_tilde() and the buf buffer in misc.c:ssh_path_expand_escape()).

Comment 1 Andreas Schneider 2012-11-14 08:51:17 UTC
Created attachment 644664 [details]
CVE-2012-4560-Fix-possible-integer-overflow-in-ssh_g.patch

Comment 2 Andreas Schneider 2012-11-14 08:51:36 UTC
Created attachment 644665 [details]
CVE-2012-4560-Fix-multiple-integer-overflows-in-buff.patch

Comment 3 Andreas Schneider 2012-11-14 08:52:00 UTC
Created attachment 644666 [details]
CVE-2012-4560-Fix-a-possible-infinite-loop-in-buffer.patch

Comment 4 Andreas Schneider 2012-11-14 08:52:21 UTC
Created attachment 644667 [details]
CVE-2012-4560-Fix-possible-integer-overflows.patch

Comment 5 Andreas Schneider 2012-11-14 08:52:43 UTC
Created attachment 644668 [details]
CVE-2012-4560-Fix-a-write-one-past-the-end-of-the-u-.patch

Comment 6 Andreas Schneider 2012-11-14 08:53:09 UTC
Created attachment 644669 [details]
CVE-2012-4560-Fix-a-write-one-past-the-end-of-buf.patch

Comment 7 Andreas Schneider 2012-11-14 16:43:58 UTC
Created attachment 644988 [details]
CVE-2012-4560-Fix-a-write-one-past-the-end-of-the-u-.patch

Comment 8 Andreas Schneider 2012-11-14 16:44:24 UTC
Created attachment 644990 [details]
CVE-2012-4560-Fix-a-write-one-past-the-end-of-buf.patch

Comment 9 Vincent Danen 2012-11-20 15:28:40 UTC
Fixed upstream:

http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/

Comment 10 Vincent Danen 2012-11-20 15:35:26 UTC
Created libssh tracking bugs for this issue

Affects: fedora-all [bug 878521]

Comment 11 Fedora Update System 2012-11-27 05:27:41 UTC
libssh-0.5.3-1.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 12 Fedora Update System 2012-11-29 04:00:37 UTC
libssh-0.5.3-1.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 13 Fedora Update System 2012-11-29 06:03:44 UTC
libssh-0.5.3-1.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 14 Fedora Update System 2012-12-06 06:57:42 UTC
libssh-0.5.3-1.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.


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