CVE-2012-0042: Null Pointer Dereference
First published: Wed Apr 11 2012(Updated: )
Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | =1.6.0 | |
| Wireshark Wireshark | =1.6.1 | |
| Wireshark Wireshark | =1.6.2 | |
| Wireshark Wireshark | =1.6.3 | |
| Wireshark Wireshark | =1.6.4 | |
| Red Hat Enterprise Linux | =5 | |
| Wireshark Wireshark | =1.4.0 | |
| Wireshark Wireshark | =1.4.1 | |
| Wireshark Wireshark | =1.4.2 | |
| Wireshark Wireshark | =1.4.3 | |
| Wireshark Wireshark | =1.4.4 | |
| Wireshark Wireshark | =1.4.5 | |
| Wireshark Wireshark | =1.4.6 | |
| Wireshark Wireshark | =1.4.7 | |
| Wireshark Wireshark | =1.4.8 | |
| Wireshark Wireshark | =1.4.9 | |
| Wireshark Wireshark | =1.4.10 |
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Reference Links
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=40194
- http://rhn.redhat.com/errata/RHSA-2013-0125.html
- http://secunia.com/advisories/47494
- http://secunia.com/advisories/48947
- http://secunia.com/advisories/54425
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
- http://www.openwall.com/lists/oss-security/2012/01/11/7
- http://www.securitytracker.com/id?1026507
- http://www.wireshark.org/security/wnpa-sec-2012-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6634
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15368
Frequently Asked Questions
What is the severity of CVE-2012-0042?
CVE-2012-0042 is rated as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2012-0042?
To fix CVE-2012-0042, upgrade Wireshark to version 1.4.11 or later for 1.4.x and to version 1.6.5 or later for 1.6.x.
What types of attacks can exploit CVE-2012-0042?
CVE-2012-0042 can be exploited by remote attackers sending crafted packets that lead to application crashes.
Which versions of Wireshark are affected by CVE-2012-0042?
Wireshark versions 1.4.0 to 1.4.10 and 1.6.0 to 1.6.4 are vulnerable to CVE-2012-0042.
What is the impact of CVE-2012-0042 on affected systems?
The impact of CVE-2012-0042 is a denial of service which can crash the Wireshark application.
- agent/weakness
- agent/author
- agent/severity
- agent/references
- agent/tags
- agent/type
- agent/description
- agent/last-modified-date
- agent/remedy
- agent/first-publish-date
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/1.6.0
- version/wireshark wireshark/1.6.1
- version/wireshark wireshark/1.6.2
- version/wireshark wireshark/1.6.3
- version/wireshark wireshark/1.6.4
- vendor/redhat
- canonical/red hat enterprise linux
- version/red hat enterprise linux/5
- version/wireshark wireshark/1.4.0
- version/wireshark wireshark/1.4.1
- version/wireshark wireshark/1.4.2
- version/wireshark wireshark/1.4.3
- version/wireshark wireshark/1.4.4
- version/wireshark wireshark/1.4.5
- version/wireshark wireshark/1.4.6
- version/wireshark wireshark/1.4.7
- version/wireshark wireshark/1.4.8
- version/wireshark wireshark/1.4.9
- version/wireshark wireshark/1.4.10