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CVE-2022-2255

Good to know:

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Date: August 25, 2022

A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.

Language: C

Severity Score

Related Resources (11)

https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082
https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941
https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html
https://github.com/advisories/GHSA-7527-8855-9cf8
https://github.com/GrahamDumpleton/mod_wsgi
https://github.com/pypa/advisory-database/tree/main/vulns/mod-wsgi/PYSEC-2022-254.yaml
https://github.com/GrahamDumpleton/mod_wsgi/commit/af3c0c2736bc0b0b01fa0f0aad3c904b7fa9c751
https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html
https://nvd.nist.gov/vuln/detail/CVE-2022-2255
https://access.redhat.com/security/cve/CVE-2022-2255
https://www.mend.io/vulnerability-database/CVE-2022-2255

Severity Score

Weakness Type (CWE)

Insufficient Verification of Data Authenticity

CWE-345

Use of Less Trusted Source

CWE-348

Top Fix

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Upgrade to version mod-wsgi - 4.9.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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