SB2019100414 - Out-of-bounds read in tcpdump (Alpine package)



SB2019100414 - Out-of-bounds read in tcpdump (Alpine package)

Published: October 4, 2019

Security Bulletin ID SB2019100414
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2018-14462)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in print-icmp.c:icmp_print() function within the ICMP parser. A remote attacker can generate specially crafted ICMP data, trigger out-of-bounds read error and perform denial of service attack.


Remediation

Install update from vendor's website.