SB2017030408 - Infinite loop in Debian Linux
Published: March 4, 2017 Updated: August 4, 2020
Security Bulletin ID
SB2017030408
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-2017-6474)
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 a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
Remediation
Install update from vendor's website.
References
- http://www.debian.org/security/2017/dsa-3811
- http://www.securityfocus.com/bid/96566
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13429
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=a998c9195f183d85f5b0bbeebba21a2d4d303d47
- https://www.wireshark.org/security/wnpa-sec-2017-07.html