CVE-2018-1000168

Nghttp2 vulnerability

CVSS

7.5

EPSS

10.6%

EPSS pct

95th

Exploited

No known

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.

Affected vendor

Nghttp2

Affected product

Nghttp2

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-20 — Improper Input Validation
CWE-476 — NULL Pointer Dereference

Published

2018-05-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 10.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2018-1000168

Confirm whether Nghttp2 Nghttp2 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-1000168.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1000168

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1000168 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2018-1000168?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2018-1000168.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH

CVE-2006-3498

Mac Os X vulnerability

HIGH

CVE-2006-3460

Libtiff vulnerability

HIGH

CVE-2006-3461

Libtiff vulnerability