CVE-2011-4093: Integer Overflow
First published: Tue Nov 01 2011(Updated: )
Integer overflow in inc/server.hpp in libnet6 (aka net6) before 1.3.14 might allow remote attackers to hijack connections and gain privileges as other users by making a large number of connections until the overflow occurs and an ID of another user is provided.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle Solaris and Zettabyte File System (ZFS) | =11.2 | |
| Microsoft .NET 6.0 | <=1.3.13 | |
| Microsoft .NET 6.0 | =1.3.1 | |
| Microsoft .NET 6.0 | =1.3.2 | |
| Microsoft .NET 6.0 | =1.3.3 | |
| Microsoft .NET 6.0 | =1.3.4 | |
| Microsoft .NET 6.0 | =1.3.5 | |
| Microsoft .NET 6.0 | =1.3.6 | |
| Microsoft .NET 6.0 | =1.3.7 | |
| Microsoft .NET 6.0 | =1.3.8 | |
| Microsoft .NET 6.0 | =1.3.9 | |
| Microsoft .NET 6.0 | =1.3.10 | |
| Microsoft .NET 6.0 | =1.3.11 | |
| Microsoft .NET 6.0 | =1.3.12 | |
| SUSE Linux | =11.3 | |
| openSUSE | =11.4 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2011/10/30/3
- http://git.0x539.de/?p=net6.git;a=commitdiff;h=ac61d7fb42a1f977fb527e024bede319c4a9e169;hp=08c8e2261604c6fcbbaf62f9ae9d13f7015fcb9a
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=750633
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=750634
- https://bugzilla.redhat.com/show_bug.cgi?id=750631
- http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=ac61d7fb42a1f977fb527e024bede319c4a9e169%3Bhp=08c8e2261604c6fcbbaf62f9ae9d13f7015fcb9a
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.html
- http://www.openwall.com/lists/oss-security/2011/10/31/1
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- https://bugzilla.novell.com/show_bug.cgi?id=727710
Frequently Asked Questions
What is the severity of CVE-2011-4093?
CVE-2011-4093 has a high severity rating due to the potential for privilege escalation via remote connection hijacking.
How do I fix CVE-2011-4093?
To fix CVE-2011-4093, upgrade libnet6 to version 1.3.14 or later.
Who discovered the CVE-2011-4093 vulnerability?
The CVE-2011-4093 vulnerability was reported by Vasiliy Kulikov.
What software is affected by CVE-2011-4093?
CVE-2011-4093 affects libnet6 versions prior to 1.3.14 and certain versions of Oracle Solaris and openSUSE.
Is CVE-2011-4093 specific to certain operating systems?
Yes, CVE-2011-4093 primarily affects Oracle Solaris and openSUSE distributions.
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