SB2018043033 - Incorrect calculation in wireshark (Alpine package)



SB2018043033 - Incorrect calculation in wireshark (Alpine package)

Published: April 30, 2018

Security Bulletin ID SB2018043033
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect calculation (CVE-ID: CVE-2018-9263)

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.