CVE-2012-3406
First published: Thu May 31 2012(Updated: )
It was discovered that the formatted printing functionality in glibc did not properly restrict the use of alloca(). A remote attacker could provide a specially crafted sequence of format specifiers, leading to a crash or, potentially, FORTIFY_SOURCE format string protection mechanism bypass, when processed.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library (glibc) | =2.5 | |
| GNU C Library (glibc) | =2.12 | |
| Red Hat Enterprise Virtualization | =3.0 | |
| Ubuntu | =8.04 | |
| Ubuntu | =10.04 | |
| Ubuntu | =11.04 | |
| Ubuntu | =11.10 | |
| Ubuntu | =12.04 | |
| Red Hat Enterprise Linux | =5 | |
| Red Hat Enterprise Linux | =6.0 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2012-1097.html
- http://rhn.redhat.com/errata/RHSA-2012-1098.html
- http://rhn.redhat.com/errata/RHSA-2012-1185.html
- http://rhn.redhat.com/errata/RHSA-2012-1200.html
- http://www.openwall.com/lists/oss-security/2012/07/11/17
- http://www.ubuntu.com/usn/USN-1589-1
- https://bugzilla.redhat.com/attachment.cgi?id=594722
- https://bugzilla.redhat.com/show_bug.cgi?id=826943
- https://security.gentoo.org/glsa/201503-04
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=594722&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=594722&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=594727&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=594727&action=edit
- http://www.openwall.com/lists/oss-security/2012/07/11/5
- https://access.redhat.com/security/cve/CVE-2012-3406
- https://rhn.redhat.com/errata/RHSA-2012-1098.html
- https://rhn.redhat.com/errata/RHSA-2012-1097.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=841318
- https://rhn.redhat.com/errata/RHSA-2012-1185.html
- https://rhn.redhat.com/errata/RHSA-2012-1200.html
Frequently Asked Questions
What is the severity of CVE-2012-3406?
CVE-2012-3406 has a moderate severity rating due to the potential for a crash or format string protection bypass.
How do I fix CVE-2012-3406?
To fix CVE-2012-3406, update the GNU C Library (glibc) to a patched version that addresses the vulnerability.
What versions are affected by CVE-2012-3406?
CVE-2012-3406 affects glibc versions 2.5 and 2.12, along with several specific versions of Red Hat Enterprise and Ubuntu Linux.
Can CVE-2012-3406 be exploited remotely?
Yes, a remote attacker could exploit CVE-2012-3406 by sending specially crafted input sequences.
What are the potential impacts of CVE-2012-3406?
The potential impacts of CVE-2012-3406 include application crashes and the risk of bypassing security mechanisms.
- collector/redhat-bugzilla
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- vendor/gnu
- canonical/gnu c library (glibc)
- version/gnu c library (glibc)/2.5
- version/gnu c library (glibc)/2.12
- vendor/redhat
- canonical/red hat enterprise virtualization
- version/red hat enterprise virtualization/3.0
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- version/ubuntu/8.04
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- version/ubuntu/12.04
- canonical/red hat enterprise linux
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- version/red hat enterprise linux/6.0