CVE-2022-4886: Ingress-nginx `path` sanitization can be bypassed with `log_format` directive

Medium severity · published Oct 25, 2023

CVE-2022-4886

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

6.5

CVSS

1.8%

EPSS

On KEV

Description

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

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.8% · higher than 78% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Ingress-nginx · Kubernetes

before 1.8.0 · source: NVD

Affected product

Ingress-nginx

Kubernetes

All Ingress-nginx CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2022-4886

CVE.org

https://www.cve.org/CVERecord?id=CVE-2022-4886

Mailing List

http://www.openwall.com/lists/oss-security/2023/10/25/5

Mitigation

https://github.com/kubernetes/ingress-nginx/issues/10570

Mailing List

https://groups.google.com/g/kubernetes-security-announce/c/ge7u3qCwZLI

security.netapp.com

https://security.netapp.com/advisory/ntap-20240307-0013/