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CVE-2017-14493

CVE-2017-14493

45Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 84%
from disclosure to weapon0 days
Published on NVDOct 2
1st PoCOct 2
exploitation probability
84%top 1% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Fixed
16 products (224 components)
Red Hat Enterprise Linux Client (v. 7) · Red Hat Enterprise Linux Client Optional (v. 7) · Red Hat Enterprise Linux ComputeNode (v. 7) · Red Hat Enterprise Linux ComputeNode Optional (v. 7) · Red Hat Enterprise Linux Server (v. 7) · and others 11
fix ↗
Not affected
9 products (11 components) — because the vulnerable code is not present in the product
Red Hat Enterprise Linux 6 · Red Hat Enterprise Linux 5 · Red Hat Enterprise Linux OpenStack Platform 6 (Juno) · Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) · Red Hat OpenStack Platform 10 (Newton) · and others 4
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✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/42943githubgithub.com/pupiles/bof-dnsmasq-cve-2017-14493★ 5cve_referencewww.exploit-db.com/exploits/42943/unverified
⚠ 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.htmlhttp://nvidia.custhelp.com/app/answers/detail/a_id/4561https://access.redhat.com/errata/RHSA-2017:2836https://access.redhat.com/errata/RHSA-2017:2837https://access.redhat.com/security/vulnerabilities/3199382https://security.gentoo.org/glsa/201710-27https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.htmlhttps://www.exploit-db.com/exploits/42943/https://www.kb.cert.org/vuls/id/973527https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.htmlhttps://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.htmlhttps://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq