CVE-2011-4091
UnknownEPSS 2.73%
Last modified
CVE-2011-4091 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.73% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opensuse | Opensuse | 11.3 |
| Opensuse | Opensuse | 11.4 |
| Oracle | Solaris | 11.2 |
| Armin Burgmeier | Net6 | <= 1.3.13 |
| Armin Burgmeier | Net6 | 1.3.1 |
| Armin Burgmeier | Net6 | 1.3.2 |
| Armin Burgmeier | Net6 | 1.3.3 |
| Armin Burgmeier | Net6 | 1.3.4 |
| Armin Burgmeier | Net6 | 1.3.5 |
| Armin Burgmeier | Net6 | 1.3.6 |
| Armin Burgmeier | Net6 | 1.3.7 |
| Armin Burgmeier | Net6 | 1.3.8 |
| Armin Burgmeier | Net6 | 1.3.9 |
| Armin Burgmeier | Net6 | 1.3.10 |
| Armin Burgmeier | Net6 | 1.3.11 |
| Armin Burgmeier | Net6 | 1.3.12 |
References
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/10/31/1Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlThird Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=727708Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=750632Issue Tracking
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/10/31/1Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlThird Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=727708Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=750632Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-4091?
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.
How severe is CVE-2011-4091?
Severity scoring for CVE-2011-4091 is pending analysis. The EPSS model estimates a 2.73% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4091?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2011-4091?
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