CVE-2011-4101: Null Pointer Dereference
First published: Tue Nov 01 2011(Updated: )
A flaw in the Infiniband dissector could cause Wireshark 1.4.0 through 1.4.9 and 1.6.0 through 1.6.3 to crash by dereferencing a NULL pointer by reading a malformed packet trace file or if someone were to inject a malformed packet onto the wire. This is corrected in wireshark 1.6.3 References: <a href="https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6476">https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6476</a> <a href="http://anonsvn.wireshark.org/viewvc?view=revision&revision=39500">http://anonsvn.wireshark.org/viewvc?view=revision&revision=39500</a> External References: <a href="http://www.wireshark.org/security/wnpa-sec-2011-18.html">http://www.wireshark.org/security/wnpa-sec-2011-18.html</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | =1.4.7 | |
| Wireshark Wireshark | =1.4.2 | |
| Wireshark Wireshark | =1.4.0 | |
| Wireshark Wireshark | =1.4.5 | |
| Wireshark Wireshark | =1.4.4 | |
| Wireshark Wireshark | =1.4.9 | |
| Wireshark Wireshark | =1.4.6 | |
| Wireshark Wireshark | =1.4.3 | |
| Wireshark Wireshark | =1.4.1 | |
| Wireshark Wireshark | =1.4.8 | |
| Wireshark Wireshark | =1.6.0 | |
| Wireshark Wireshark | =1.6.1 | |
| Wireshark Wireshark | =1.6.2 |
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Reference Links
- http://www.wireshark.org/security/wnpa-sec-2011-18.html
- https://bugzilla.redhat.com/show_bug.cgi?id=750645
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6476
- http://openwall.com/lists/oss-security/2011/11/01/9
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=39500
- http://secunia.com/advisories/46644
- http://www.securityfocus.com/bid/50481
- http://osvdb.org/76769
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71091
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14760
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=750649
- http://www.openwall.com/lists/oss-security/2011/11/01/9
Frequently Asked Questions
What is the severity of CVE-2011-4101?
CVE-2011-4101 is classified as a moderate severity vulnerability due to its potential to crash the affected application.
How do I fix CVE-2011-4101?
To fix CVE-2011-4101, upgrade Wireshark to version 1.6.3 or later.
What software versions are affected by CVE-2011-4101?
CVE-2011-4101 affects Wireshark versions 1.4.0 through 1.4.9 and 1.6.0 through 1.6.3.
What type of issue is CVE-2011-4101?
CVE-2011-4101 is a null pointer dereference issue in the Infiniband dissector of Wireshark.
Can crafting a packet trigger CVE-2011-4101?
Yes, an attacker can exploit CVE-2011-4101 by injecting a malformed packet onto the wire.
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