CVE-2017-14493
UnknownEPSS 83.64%
Last modified
CVE-2017-14493 is a vulnerability of currently unknown severity. Stack-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 DHCPv6 request.. EPSS estimates a 83.64% chance of exploitation in the next 30 days.
Description
Stack-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 DHCPv6 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 |
| Opensuse | Leap | 42.2 |
| Opensuse | Leap | 42.3 |
| 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://nvidia.custhelp.com/app/answers/detail/a_id/4561Third 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.gentoo.org/glsa/201710-27Third Party Advisory
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlThird Party Advisory
- https://www.exploit-db.com/exploits/42943/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/973527Third Party Advisory, US Government Resource
- https://www.synology.com/support/security/Synology_SA_17_59_DnsmasqThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlIssue Tracking, Mailing List, Third Party Advisory
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561Third 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.gentoo.org/glsa/201710-27Third Party Advisory
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlThird Party Advisory
- https://www.exploit-db.com/exploits/42943/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/973527Third Party Advisory, US Government Resource
- https://www.synology.com/support/security/Synology_SA_17_59_DnsmasqThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-14493?
Stack-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 DHCPv6 request.
How severe is CVE-2017-14493?
Severity scoring for CVE-2017-14493 is pending analysis. The EPSS model estimates a 83.64% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14493?
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.
Are you affected by CVE-2017-14493?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST