CVE-2017-6472
First published: Sat Mar 04 2017(Updated: )
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is an RTMPT dissector infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-rtmpt.c by properly incrementing a certain sequence value.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.0.0<=2.0.10 | |
| Wireshark Wireshark | >=2.2.0<=2.2.4 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2017/dsa-3811
- http://www.securityfocus.com/bid/96571
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13347
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=2b3a0909beff8963b390034c594e0b6be6a4e531
- https://www.wireshark.org/security/wnpa-sec-2017-04.html
Frequently Asked Questions
What is the severity of CVE-2017-6472?
CVE-2017-6472 has been classified as a medium severity vulnerability due to the potential for an infinite loop that could disrupt service.
How do I fix CVE-2017-6472?
To fix CVE-2017-6472, update Wireshark to version 2.2.5 or later, or version 2.0.11 or later.
What impact does CVE-2017-6472 have on affected systems?
CVE-2017-6472 can cause a denial of service condition due to an infinite loop in the RTMPT dissector triggered by malformed input.
Which versions of Wireshark are affected by CVE-2017-6472?
CVE-2017-6472 affects Wireshark versions from 2.0.0 to 2.0.10 and from 2.2.0 to 2.2.4.
Is CVE-2017-6472 specific to any operating systems?
CVE-2017-6472 is particularly noted in Debian Linux 8.0 but may affect other systems running the vulnerable versions of Wireshark.
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- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/2.0.0
- version/wireshark wireshark/2.0.10
- version/wireshark wireshark/2.2.0
- version/wireshark wireshark/2.2.4
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0