SB2017112107 - Remote code execution in Tinysvcmdns
Published: November 21, 2017
Breakdown by Severity
- 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.