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CVE

CVE-2018-1000168

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC fr

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.

HIGH · CVSS 7.5 EPSS 0.04849
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

6
nghttp2>= 1.10.0 and <= 1.31.0
nodejs node.js>= 6.0.0 and <= 6.8.1
nodejs node.js>= 8.4.0 and <= 8.17.0
nodejs node.js>= 9.0.0 and <= 9.11.2
nodejs node.js>= 10.0.0 and < 10.4.1
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 May 2018 · 03:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:11091-1
msrcCVE-2018-1000168
suse-csafSUSE-SU-2021:0932-1
suse-csafSUSE-SU-2019:14246-1
rhsaRHSA-2019:0367Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/103952Broken LinkThird Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2021/10/msg00011.htmlMailing ListThird Party Advisory
https://nghttp2.org/blog/2018/04/12/nghttp2-v1-31-1/Vendor Advisory
https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/Release NotesThird Party Advisory
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