CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2018-1172 – The Squid Software Foundation Squid Reverse Proxy sslBumpAccessCheck Null Pointer Dereference Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2018-1172
This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. • http://www.squid-cache.org/Advisories/SQUID-2018_3.txt https://zerodayinitiative.com/advisories/ZDI-18-309 • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 1%CPEs: 7EXPL: 0CVE-2018-1000027 – squid: Incorrect pointer handling in HTTP processing and certificate download can lead to denial of service
https://notcve.org/view.php?id=CVE-2018-1000027
The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later. Squid Software Foundation Squid HTTP Caching Proxy, en versiones anteriores a la 4.0.23, contiene una vulnerabilidad de desreferencia de puntero NULL en el procesamiento de cabeceras HTTP Response X-Forwarded-For. Esto puede resultar en una denegación de servicio (DoS) para todos los clientes que empleen el proxy. • http://www.squid-cache.org/Advisories/SQUID-2018_2.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_2.patch http://www.squid-cache.org/Versions/v4/changesets/SQUID-2018_2.patch https://github.com/squid-cache/squid/pull/129/files https://lists.debian.org/debian-lts-announce/2018/02/msg00001.html https://lists.debian.org/debian-lts-announce/2018/02/msg00002.html https://usn.ubuntu.com/3557-1 https://usn.ubuntu.com/4059-2 https://www.debia • CWE-117: Improper Output Neutralization for Logs CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0CVE-2018-1000024 – squid: Incorrect pointer handling when processing ESI Responses can lead to denial of service
https://notcve.org/view.php?id=CVE-2018-1000024
The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed in 4.0.23 and later. Squid Software Foundation Squid HTTP Caching Proxy, en versiones 3.0 a 3.5.27 y 4.0 a 4.0.22 contiene una vulnerabilidad de manipulación de punteros incorrecta en el procesamiento de respuestas ESI. Esto puede resultar en una denegación de servicio (DoS) para todos los clientes que empleen el proxy. • http://www.squid-cache.org/Advisories/SQUID-2018_1.txt http://www.squid-cache.org/Versions https://lists.debian.org/debian-lts-announce/2018/02/msg00001.html https://usn.ubuntu.com/3557-1 https://usn.ubuntu.com/4059-2 https://www.debian.org/security/2018/dsa-4122 https://access.redhat.com/security/cve/CVE-2018-1000024 https://bugzilla.redhat.com/show_bug.cgi?id=1536939 • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0CVE-2016-10003
https://notcve.org/view.php?id=CVE-2016-10003
Incorrect HTTP Request header comparison in Squid HTTP Proxy 3.5.0.1 through 3.5.22, and 4.0.1 through 4.0.16 results in Collapsed Forwarding feature mistakenly identifying some private responses as being suitable for delivery to multiple clients. Comparación incorrecta del encabezado de HTTP Request en Squid HTTP Proxy 3.5.0.1 hasta la versión 3.5.22 y 4.0.1 hasta la versión 4.0.16 resulta en que la funcionalidad Collapsed Forwarding identifica de forma equivocada algunas respuestas privadas como adecuadas para la entrega a múltiples clientes. • http://www.openwall.com/lists/oss-security/2016/12/18/1 http://www.securityfocus.com/bid/94953 http://www.securitytracker.com/id/1037512 http://www.squid-cache.org/Advisories/SQUID-2016_10.txt • CWE-697: Incorrect Comparison •
CVSS: 7.5EPSS: 0%CPEs: 122EXPL: 0CVE-2016-10002 – squid: Information disclosure in HTTP request processing
https://notcve.org/view.php?id=CVE-2016-10002
Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 through 4.0.16 leads to client-specific Cookie data being leaked to other clients. Attack requests can easily be crafted by a client to probe a cache for this information. Procesamiento incorrecto de respuestas a peticiones condicionales If-None-Modified HTTP en Squid HTTP Proxy 3.1.10 hasta la versión 3.1.23, 3.2.0.3 hasta la versión 3.5.22 y 4.0.1 hasta la versión 4.0.16 conduce a que datos Cookie de un cliente específico sean filtrados a otros clientes. Peticiones de ataque pueden ser fácilmente manipuladas por un cliente para probar una memoria caché para esta información. It was found that squid did not properly remove connection specific headers when answering conditional requests using a cached request. • http://rhn.redhat.com/errata/RHSA-2017-0182.html http://rhn.redhat.com/errata/RHSA-2017-0183.html http://www.debian.org/security/2016/dsa-3745 http://www.openwall.com/lists/oss-security/2016/12/18/1 http://www.securityfocus.com/bid/94953 http://www.securitytracker.com/id/1037513 http://www.squid-cache.org/Advisories/SQUID-2016_11.txt https://access.redhat.com/security/cve/CVE-2016-10002 https://bugzilla.redhat.com/show_bug.cgi?id=1405941 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •