CVE-2017-14491

EPSS 84.9%

Vexday Risk Score

45Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS —EPSS 84.9%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

02 Oct 2017Public PoC

02 Oct 2017Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

n/a · n/a

public PoCs found — 4

githubgithub.com/skyformat99/dnsmasq-2.4.1-fix-CVE-2017-14491★ 0 cve_referencepacketstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.htmlunverified cve_referencewww.exploit-db.com/exploits/42941/unverified exploitdbwww.exploit-db.com/exploits/42941unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html http://nvidia.custhelp.com/app/answers/detail/a_id/4560 http://nvidia.custhelp.com/app/answers/detail/a_id/4561 http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.html https://access.redhat.com/errata/RHSA-2017:2836 https://access.redhat.com/errata/RHSA-2017:2837 https://access.redhat.com/errata/RHSA-2017:2838 https://access.redhat.com/errata/RHSA-2017:2839 https://access.redhat.com/errata/RHSA-2017:2840