SB2019070836 - Out-of-bounds read in tcpflow (Alpine package)

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Main Vulnerability Database SB2019070836

SB2019070836 - Out-of-bounds read in tcpflow (Alpine package)

Published: July 8, 2019

Security Bulletin ID SB2019070836
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) Out-of-bounds read (CVE-ID: CVE-2018-18409)

The vulnerability allows a remote attacker to gain access to perform a denial of service attack.

The vulnerability exists due to a boundary condition within the setbit() function in iptree.h in tcpflow. A remote attacker can pass specially crafted data to the application, trigger a stack-based buffer over-read and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References