SB2018061154 - Buffer over-read in wireshark (Alpine package)



SB2018061154 - Buffer over-read in wireshark (Alpine package)

Published: June 11, 2018

Security Bulletin ID SB2018061154
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) Buffer over-read (CVE-ID: CVE-2018-11362)

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

The weakness exists in epan/dissectors/packet-ldss.c due to buffer over-read upon encountering a missing '' character. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file, trigger memory corruption and cause the LDSS dissector to crash.

Remediation

Install update from vendor's website.