CVE-2017-12087 — CRITICAL (10.0)

Vulnerability 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.

CVSS Score

10.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tinysvcmdns Project	Tinysvcmdns	2016-07-18

Related Weaknesses (CWE)

CWE-119

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0439ExploitTechnical DescriptionThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0439ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2017-12087?

CVE-2017-12087 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 ...

How severe is CVE-2017-12087?

CVE-2017-12087 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-12087?

Check the references section above for vendor advisories and patch information. Affected products include: Tinysvcmdns Project Tinysvcmdns.