SB20170807102 - Out-of-bounds read in tcpdump (Alpine package)

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Main Vulnerability Database SB20170807102

SB20170807102 - Out-of-bounds read in tcpdump (Alpine package)

Published: August 7, 2017

Security Bulletin ID SB20170807102
CSH 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 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-11108)

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

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


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

The vulnerability exists to a boundary error in the EXTRACT_16BITS() function, called from the stp_print function for the Spanning Tree Protocol in tcpdump 4.9.0. A remote attacker can send a specially crafted network packet, trigger heap-based buffer over-read and crash the affected application.

Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References