CVE-2012-4560: Buffer Overflow
First published: Tue Oct 30 2012(Updated: )
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()).
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | <=0.5.2 | |
| Ubuntu | =0.4.7 | |
| Ubuntu | =0.4.8 | |
| Ubuntu | =0.5.0 | |
| Ubuntu | =0.5.0-rc1 | |
| Ubuntu | =0.5.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html
- http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:175
- http://www.openwall.com/lists/oss-security/2012/11/20/3
- http://www.securityfocus.com/bid/56604
- http://www.ubuntu.com/usn/USN-1640-1
- https://bugzilla.redhat.com/show_bug.cgi?id=871614
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80219
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644664&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644664&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644665&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644665&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644666&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644666&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644667&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644667&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644668&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644668&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644669&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644669&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644988&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644988&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644990&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=644990&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=878521
Frequently Asked Questions
What is the severity of CVE-2012-4560?
CVE-2012-4560 has a severity rating that suggests potential exploitation could lead to critical security risks due to multiple buffer overflows.
How do I fix CVE-2012-4560?
To fix CVE-2012-4560, you should upgrade libssh to version 0.5.3 or later.
Which versions of libssh are affected by CVE-2012-4560?
CVE-2012-4560 affects libssh versions prior to 0.5.3, including versions 0.4.7, 0.4.8, 0.5.0, 0.5.0-rc1, and 0.5.1.
What types of vulnerabilities does CVE-2012-4560 encompass?
CVE-2012-4560 encompasses multiple buffer overflow vulnerabilities in certain functions of libssh.
Who reported CVE-2012-4560?
CVE-2012-4560 was reported by Florian Weimer of the Red Hat Product Security Team.
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2012-4560
- agent/severity
- agent/references
- agent/author
- agent/last-modified-date
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/weakness
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/libssh
- canonical/ubuntu
- version/ubuntu/0.5.2
- version/ubuntu/0.4.7
- version/ubuntu/0.4.8
- version/ubuntu/0.5.0
- version/ubuntu/0.5.0-rc1
- version/ubuntu/0.5.1