CVE-2017-12087: geekman tinysvcmdns

Vulnerability summary

CVE-2017-12087 is a critical (CVSS 10.0) vulnerability in geekman tinysvcmdns. EPSS estimates a 1.98% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 24-04-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

An exploitable heap overflow vulnerability exists in the tinysvcmdns library version 2016-07-18. A specially crafted packet can make the library overwrite an arbitrary amount of data on the heap with attacker controlled values. An attacker needs send a dns packet to trigger this vulnerability.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.