SB2017112107 - Remote code execution in Tinysvcmdns



SB2017112107 - Remote code execution in Tinysvcmdns

Published: November 21, 2017

Security Bulletin ID SB2017112107
CSH Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2017-12087)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the tinysvcmdns library due to heap-based buffer overflow when processing of crafted DNS packets. A remote unauthenticated attacker can send a specially crafted DNS packets, make the library overwrite an arbitrary amount of data on the heap with attacker controlled values and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.