CVE-2012-1593: Null Pointer Dereference
First published: Wed Apr 11 2012(Updated: )
epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Wireshark Wireshark | =1.4.11 |
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://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
- http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
- http://secunia.com/advisories/48548
- http://secunia.com/advisories/48986
- http://www.exploit-db.com/exploits/18758
- http://www.openwall.com/lists/oss-security/2012/03/28/13
- http://www.securitytracker.com/id?1026874
- http://www.wireshark.org/security/wnpa-sec-2012-04.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74361
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991
Frequently Asked Questions
What is the severity of CVE-2012-1593?
CVE-2012-1593 is considered a moderate severity vulnerability as it can lead to denial of service through application crashes.
How do I fix CVE-2012-1593?
To fix CVE-2012-1593, upgrade Wireshark to version 1.4.12 or later for the 1.4.x series or version 1.6.6 or later for the 1.6.x series.
What is the impact of CVE-2012-1593?
The impact of CVE-2012-1593 includes the potential for remote attackers to crash the Wireshark application by sending a malformed packet.
Which versions of Wireshark are affected by CVE-2012-1593?
CVE-2012-1593 affects Wireshark versions 1.4.0 through 1.4.11 and 1.6.0 through 1.6.5.
Is there a workaround for CVE-2012-1593?
There is no specific workaround for CVE-2012-1593, but employing network filters to block malformed packets may mitigate risks.
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- agent/weakness
- collector/nvd-index
- vendor/wireshark
- canonical/wireshark wireshark
- 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
- version/wireshark wireshark/1.4.11