CVE-2011-4091
First published: Tue Nov 01 2011(Updated: )
The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux | =11.3 | |
| SUSE Linux | =11.4 | |
| 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 |
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://www.openwall.com/lists/oss-security/2011/10/30/3
- http://git.0x539.de/?p=net6.git;a=commitdiff;h=84afca022f063f89bfcd4bb32b1ee911f555abf1;hp=ac61d7fb42a1f977fb527e024bede319c4a9e169
- 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=750632
- http://www.openwall.com/lists/oss-security/2011/10/31/1
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.html
- https://bugzilla.novell.com/show_bug.cgi?id=727708
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=84afca022f063f89bfcd4bb32b1ee911f555abf1%3Bhp=ac61d7fb42a1f977fb527e024bede319c4a9e169
Frequently Asked Questions
What is the severity of CVE-2011-4091?
CVE-2011-4091 is classified as a medium severity vulnerability due to its impact on user data privacy.
How do I fix CVE-2011-4091?
To mitigate CVE-2011-4091, upgrade libnet6 to version 1.3.14 or later.
What kind of information can be exposed due to CVE-2011-4091?
CVE-2011-4091 allows attackers to access sensitive user information such as usage patterns and color preferences.
Which software versions are affected by CVE-2011-4091?
Affected versions include libnet6 before 1.3.14 and specific distributions like openSUSE 11.3 and 11.4.
Is user authentication bypassed in CVE-2011-4091?
Yes, CVE-2011-4091 involves a lack of authentication before checking user data, leading to unauthorized information access.
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2011-4091
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/opensuse
- canonical/suse linux
- version/suse linux/11.3
- version/suse linux/11.4
- vendor/oracle
- canonical/oracle solaris and zettabyte file system (zfs)
- version/oracle solaris and zettabyte file system (zfs)/11.2
- vendor/armin burgmeier
- canonical/microsoft .net 6.0
- version/microsoft .net 6.0/1.3.13
- version/microsoft .net 6.0/1.3.1
- version/microsoft .net 6.0/1.3.2
- version/microsoft .net 6.0/1.3.3
- version/microsoft .net 6.0/1.3.4
- version/microsoft .net 6.0/1.3.5
- version/microsoft .net 6.0/1.3.6
- version/microsoft .net 6.0/1.3.7
- version/microsoft .net 6.0/1.3.8
- version/microsoft .net 6.0/1.3.9
- version/microsoft .net 6.0/1.3.10
- version/microsoft .net 6.0/1.3.11
- version/microsoft .net 6.0/1.3.12