CVE-2017-16100
Command Injection in dns-sync
dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.
- Record
CVE-2017-16100- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-94, CWE-77
- Updated
- 2026-11-02
CVE List No score
dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.
- Record
CVE-2017-16100- Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2018-0287 No score
dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.
- Record
EUVD-2018-0287- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jcw8-r9xm-32c6 No score
Command Injection in dns-sync
Affected versions of dns-sync have an arbitrary command execution vulnerability in the resolve() method.
Recommendation
- Use an alternative dns resolver
- Do not allow untrusted input into
dns-sync.resolve()
- Record
GHSA-jcw8-r9xm-32c6- Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-jcw8-r9xm-32c6 No score
Command Injection in dns-sync
Affected versions of dns-sync have an arbitrary command execution vulnerability in the resolve() method.
Recommendation
- Use an alternative dns resolver
- Do not allow untrusted input into
dns-sync.resolve()
- Record
GHSA-jcw8-r9xm-32c6- Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dns-syncnpm |
before 0.1.1 | 0.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16100 is a critical vulnerability (CVSS 9.8) in Dns-sync Project Dns-sync, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.05%, the 92nd percentile. Fixed in dns-sync 0.1.1.