CVE-2017-14493

EPSS 83.6%

Vexday Risk Score

45Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Popular PoC on GitHub (4 stars) — exploitation code widely available.

CVSS —EPSS 83.6%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.

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.

Affected products

n/a · n/a

public PoCs found — 3

githubgithub.com/pupiles/bof-dnsmasq-cve-2017-14493★ 4 cve_referencewww.exploit-db.com/exploits/42943/unverified exploitdbwww.exploit-db.com/exploits/42943unverified

⚠ 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/msg00006.html http://nvidia.custhelp.com/app/answers/detail/a_id/4561 https://access.redhat.com/errata/RHSA-2017:2836 https://access.redhat.com/errata/RHSA-2017:2837 https://access.redhat.com/security/vulnerabilities/3199382 https://security.gentoo.org/glsa/201710-27 https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html https://www.exploit-db.com/exploits/42943/https://www.kb.cert.org/vuls/id/973527 https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq