CVE-2016-7176: Buffer Overflow
First published: Fri Sep 09 2016(Updated: )
epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap and application crash) via a crafted packet.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | =2.0.0 | |
| Wireshark Wireshark | =2.0.1 | |
| Wireshark Wireshark | =2.0.2 | |
| Wireshark Wireshark | =2.0.3 | |
| Wireshark Wireshark | =2.0.4 | |
| Wireshark Wireshark | =2.0.5 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2016/dsa-3671
- http://www.securitytracker.com/id/1036760
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12700
- https://code.wireshark.org/review/16852
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6d8261994bb928b7e80e3a2478a3d939ea1ef373
- https://www.wireshark.org/security/wnpa-sec-2016-51.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6d8261994bb928b7e80e3a2478a3d939ea1ef373
Frequently Asked Questions
What is the severity of CVE-2016-7176?
CVE-2016-7176 has a severity rating of medium, primarily due to its potential to cause a denial of service.
How do I fix CVE-2016-7176?
To fix CVE-2016-7176, upgrade Wireshark to version 2.0.6 or later.
What software versions are affected by CVE-2016-7176?
CVE-2016-7176 affects Wireshark versions 2.0.0 to 2.0.5, as well as Debian GNU/Linux 8.0.
What type of attack does CVE-2016-7176 facilitate?
CVE-2016-7176 allows remote attackers to conduct denial of service attacks by sending crafted packets.
What function is improperly used in CVE-2016-7176?
CVE-2016-7176 involves the improper use of snprintf with overlapping input buffers, leading to application crashes.
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- version/wireshark wireshark/2.0.2
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- version/wireshark wireshark/2.0.4
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