SB2018020839 - Null pointer dereference in wireshark (Alpine package)



SB2018020839 - Null pointer dereference in wireshark (Alpine package)

Published: February 8, 2018

Security Bulletin ID SB2018020839
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Null pointer dereference (CVE-ID: CVE-2017-17997)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in epan/dissectors/packet-mrdisc.c due to the MRDISC dissector misuses a NULL pointer and crashes. A remote attacker can trigger NULL pointer dereference and cause the service to crash.

Remediation

Install update from vendor's website.