CVE-2017-14491
CRITICAL severity · CVSS 9.8 · Out-of-bounds write
9.8CVSS CRITICAL
Summary
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 DNS response.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)85%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (5)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://thekelleys.org.uk/dnsmasq/CHANGELOGAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlAdvisory
- http://nvidia.custhelp.com/app/answers/detail/a_id/4560Advisory
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561Advisory
- http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.htmlAdvisory