SB2018043033 - Incorrect calculation in wireshark (Alpine package)
Published: April 30, 2018
Security Bulletin ID
SB2018043033
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) Incorrect calculation (CVE-ID: CVE-2018-9263)
CWE-ID: CWE-682 - Incorrect Calculation
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/dissectors/packet-kerberos.c due to ensuring a nonzero key length. A remote attacker can trick the victim into opening a specially crafted packet trace file and cause the Kerberos dissector to crash.
Remediation
Install update from vendor's website.