Incorrect header handling in mod-wsgi
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-2255US | high7.5OT elevated | — | ||
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 targ… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/GrahamDumpleton/mod_wsgiPACKAGE
- https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941WEB
- https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082WEB
- https://github.com/GrahamDumpleton/mod_wsgi/commit/af3c0c2736bc0b0b01fa0f0aad3c904b7fa9c751WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/mod-wsgi/PYSEC-2022-254.yamlWEB
- https://lists.debian.org/debian-lts-announce/2022/09/msg00021.htmlWEB
- https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2022-2255ADVISORY
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