CVE-2017-14492
UnknownEPSS 93.31%
Last modified
CVE-2017-14492 is a vulnerability of currently unknown severity. Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.. EPSS estimates a 93.31% chance of exploitation in the next 30 days.
Description
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.04 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 7.1 |
| Debian | Debian Linux | 9.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Thekelleys | Dnsmasq | <= 2.77 |
References
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlIssue Tracking, Mailing List, Third Party Advisory
- http://thekelleys.org.uk/dnsmasq/CHANGELOGRelease Notes, Vendor Advisory
- http://www.debian.org/security/2017/dsa-3989Third Party Advisory
- http://www.securityfocus.com/bid/101085Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039474Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3430-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3430-2Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2836Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2837Patch, Third Party Advisory
- https://access.redhat.com/security/vulnerabilities/3199382Issue Tracking, Third Party Advisory
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlThird Party Advisory
- https://www.exploit-db.com/exploits/42942/Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/973527Third Party Advisory, US Government Resource
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlIssue Tracking, Mailing List, Third Party Advisory
- http://thekelleys.org.uk/dnsmasq/CHANGELOGRelease Notes, Vendor Advisory
- http://www.debian.org/security/2017/dsa-3989Third Party Advisory
- http://www.securityfocus.com/bid/101085Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039474Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3430-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3430-2Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2836Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2837Patch, Third Party Advisory
- https://access.redhat.com/security/vulnerabilities/3199382Issue Tracking, Third Party Advisory
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlThird Party Advisory
- https://www.exploit-db.com/exploits/42942/Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/973527Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-14492?
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.
How severe is CVE-2017-14492?
Severity scoring for CVE-2017-14492 is pending analysis. The EPSS model estimates a 93.31% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14492?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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