CVSS: 8.2EPSS: 11%CPEs: 37EXPL: 0CVE-2021-44224 – Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier
https://notcve.org/view.php?id=CVE-2021-44224
20 Dec 2021 — A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included). Un URI diseñado que es enviado a httpd configurado como proxy directo (ProxyRequests on) puede causar un fallo (desreferencia de puntero NUL... • http://httpd.apache.org/security/vulnerabilities_24.html • CWE-476: NULL Pointer Dereference CWE-918: Server-Side Request Forgery (SSRF) •
CVSS: 9.8EPSS: 79%CPEs: 35EXPL: 3CVE-2021-44790 – Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier
https://notcve.org/view.php?id=CVE-2021-44790
20 Dec 2021 — A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier. Un cuerpo de petición cuidadosamente diseñado puede causar un desbordamiento de búfer en el analizador multiparte mod_lua (r:parsebody() llamado desde scripts Lua). El equipo de Apache httpd no presenta const... • https://packetstorm.news/files/id/171631 • CWE-787: Out-of-bounds Write •
CVSS: 9.0EPSS: 94%CPEs: 26EXPL: 11CVE-2021-40438 – Apache HTTP Server-Side Request Forgery (SSRF)
https://notcve.org/view.php?id=CVE-2021-40438
16 Sep 2021 — A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier. Un uri-path diseñado puede causar que mod_proxy reenvíe la petición a un servidor de origen elegido por el usuario remoto. Este problema afecta a Apache HTTP Server versiones 2.4.48 y anteriores A Server-Side Request Forgery (SSRF) flaw was found in mod_proxy of httpd. This flaw allows a remote, unauthenticated attacker to make the ht... • https://github.com/sixpacksecurity/CVE-2021-40438 • CWE-918: Server-Side Request Forgery (SSRF) •
CVSS: 9.8EPSS: 40%CPEs: 17EXPL: 0CVE-2021-39275 – ap_escape_quotes buffer overflow
https://notcve.org/view.php?id=CVE-2021-39275
16 Sep 2021 — ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier. la función ap_escape_quotes() puede escribir más allá del final de un buffer cuando se le da una entrada maliciosa. Ningún módulo incluido pasa datos no confiables a estas funciones, pero los módulos externos o de terceros pueden hacerlo. Este problema afecta a Apache H... • https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 3%CPEs: 20EXPL: 0CVE-2021-36160 – mod_proxy_uwsgi out of bound read
https://notcve.org/view.php?id=CVE-2021-36160
16 Sep 2021 — A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive). Una uri-path de petición cuidadosamente diseñada puede causar que la función mod_proxy_uwsgi lea por encima de la memoria asignada y se bloquee (DoS). Este problema afecta a Apache HTTP Server versiones 2.4.30 a 2.4.48 (incluyéndola) An out-of-bounds read in mod_proxy_uwsgi of httpd allows a remote unauthenticated atta... • http://httpd.apache.org/security/vulnerabilities_24.html • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 10%CPEs: 25EXPL: 0CVE-2021-34798 – NULL pointer dereference in httpd core
https://notcve.org/view.php?id=CVE-2021-34798
16 Sep 2021 — Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier. Unas peticiones malformadas pueden causar que el servidor haga desreferencia a un puntero NULL. Este problema afecta a Apache HTTP Server versiones 2.4.48 y anteriores A NULL pointer dereference in httpd allows an unauthenticated remote attacker to crash httpd by providing malformed HTTP requests. The highest threat from this vulnerability is to system availability. • http://httpd.apache.org/security/vulnerabilities_24.html • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 1CVE-2021-33193 – Request splitting via HTTP/2 method injection and mod_proxy
https://notcve.org/view.php?id=CVE-2021-33193
16 Aug 2021 — A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48. Un método diseñado enviado mediante HTTP/2 omitirá la comprobación y será reenviado por mod_proxy, lo que puede conllevar a la división de peticiones o el envenenamiento de la caché. Este problema afecta a Apache HTTP Server versiones 2.4.17 a 2.4.48. A NULL pointer dereference was found in Apache httpd mod_... • https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch • CWE-476: NULL Pointer Dereference •
CVSS: 5.9EPSS: 0%CPEs: 4EXPL: 0CVE-2021-32791 – Hardcoded static IV and AAD with a reused key in AES GCM encryption in mod_auth_openidc
https://notcve.org/view.php?id=CVE-2021-32791
26 Jul 2021 — mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, the AES GCM encryption in mod_auth_openidc uses a static IV and AAD. It is important to fix because this creates a static nonce and since aes-gcm is a stream cipher, this can lead to known cryptographic issues, since the same key is being reused. From 2.4.9 onwards this h... • https://github.com/zmartzone/mod_auth_openidc/commit/375407c16c61a70b56fdbe13b0d2c8f11398e92c • CWE-323: Reusing a Nonce, Key Pair in Encryption CWE-330: Use of Insufficiently Random Values •
CVSS: 6.1EPSS: 0%CPEs: 4EXPL: 0CVE-2021-32792 – XSS vulnerability when using OIDCPreservePost On in mod_auth_openidc
https://notcve.org/view.php?id=CVE-2021-32792
26 Jul 2021 — mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using `OIDCPreservePost On`. mod_auth_openidc es un módulo de autenticación/autorización para el servidor HTTP Apache versión 2.x que funciona como OpenID Connect Relying Party, autenticando a usuarios contra un proveedor de OpenID Co... • https://github.com/zmartzone/mod_auth_openidc/commit/00c315cb0c8ab77c67be4a2ac08a71a83ac58751 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-32785 – Format string bug in the Redis cache implementation
https://notcve.org/view.php?id=CVE-2021-32785
22 Jul 2021 — mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. When mod_auth_openidc versions prior to 2.4.9 are configured to use an unencrypted Redis cache (`OIDCCacheEncrypt off`, `OIDCSessionType server-cache`, `OIDCCacheType redis`), `mod_auth_openidc` wrongly performed argument interpolation before passing Redis requests to `hiredis`, which would perform it again and l... • https://github.com/zmartzone/mod_auth_openidc/commit/dc672688dc1f2db7df8ad4abebc367116017a449 • CWE-134: Use of Externally-Controlled Format String •