Buffer overflow in Geekman Tinysvcmdns
CVE-2017-12087
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Geekman Tinysvcmdns — versions 2016-07-18
- Tinysvcmdns Project — versions 2016-07-18
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0439 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12087?
- CVE-2017-12087 is a critical-severity vulnerability in Geekman Tinysvcmdns, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2018-04-24.
- How severe is CVE-2017-12087?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2017-12087 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.