SB2019100410 - Heap-based buffer overread in tcpdump (Alpine package)



SB2019100410 - Heap-based buffer overread in tcpdump (Alpine package)

Published: October 4, 2019

Security Bulletin ID SB2019100410
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) Heap-based buffer overread (CVE-ID: CVE-2017-16808)

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

The vulnerability exists due to heap-based buffer overread in 'addrtoname.c' when handling malicious input. A remote attacker can supply a specially crafted pcap fil, trigger buffer overread and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.