Home/CVE/Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.
CVE

CVE-2022-4886

Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.

Ingress-nginx path sanitization can be bypassed with log_format directive.

HIGH · CVSS 8.8 EPSS 0.00232
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
kubernetes ingress-nginx< 1.8.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go k8s.io/ingress-nginx HIGH fixed in 1.8.0
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · jordan@liggitt.net
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 NVD25 Oct 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

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.openwall.com/lists/oss-security/2023/10/25/5Mailing ListThird Party Advisory
https://github.com/kubernetes/ingress-nginx/issues/10570MitigationVendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/ge7u3qCwZLIMailing ListMitigation
https://security.netapp.com/advisory/ntap-20240307-0013/
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