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…
- 9.8CriticalCVSS base score
- 11.4%Exploitation in 30 daysEPSS · top 4.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it. 2 references of the record are tagged as an exploit.
Show the exploits4
Exploit-DB2 entries
- DNSTracer 1.9 - Local Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 42424local, linuxpublished 3 Aug 2017Not verified
- DNSTracer 1.8.1 - Buffer Overflow (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 42115dos, linuxpublished 5 Jun 2017Verified
References tagged exploit2 references
- 42115 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 42424 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 11.4% · top 4.0% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
4
- 42115 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://cxsecurity.com/issue/WLB-2017060030 (opens in a new tab)x_refsource_MISCx_transferred
- 42424 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://packetstormsecurity.com/files/142799/DNSTracer-1.8.1-Buffer-Overflow.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-18365 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-9430)Record last updated .