SB2017030406 - Infinite loop in Debian Linux
Published: March 4, 2017 Updated: August 4, 2020
Security Bulletin ID
SB2017030406
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2017-6472)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.
References
- 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