SB2018061150 - Resource exhaustion in wireshark (Alpine package)
Published: June 11, 2018
Security Bulletin ID
SB2018061150
CSH 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 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2018-11357)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in epan/tvbuff.c due to improper validation of user-supplied input. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file, trigger resource exhaustion and cause the LTP dissector and other dissectors to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=3707c538782fe330b200ce42050813ee9b5af560
- https://git.alpinelinux.org/aports/commit/?id=563eae7149e0e113ed1dfa3bc0d6cfdb657da1a2
- https://git.alpinelinux.org/aports/commit/?id=2c9c2f5d75d3f1f8579ff40387ce6d2575395477
- https://git.alpinelinux.org/aports/commit/?id=215ab32e4b19dfb33cc73a102bd0beab21fe66c0