Buffer overflow in Dnstracer Project
CVE-2017-9430
Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.113 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.113 · newest: 0.113 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/42115/ (Third Party Advisory, exploit)
- cxsecurity.com/issue/WLB-2017060030 (Third Party Advisory)
- www.exploit-db.com/exploits/42424/ (exploit)
- packetstormsecurity.com/files/142799/DNSTracer-1.8.1-Buffer-Overflow.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9430?
- CVE-2017-9430 is a critical-severity vulnerability in Dnstracer Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-06-05.
- How severe is CVE-2017-9430?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-9430 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.