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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2019-12523 |
An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost. Published: November 26, 2019; 12:15:10 PM -0500 |
V4.0:(not available) V3.1: 9.1 CRITICAL V2.0: 6.4 MEDIUM |
CVE-2019-12529 |
An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages. Published: July 11, 2019; 3:15:13 PM -0400 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2019-12525 |
An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token's value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1. Published: July 11, 2019; 3:15:13 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2019-13345 |
The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter. Published: July 05, 2019; 12:15:11 PM -0400 |
V4.0:(not available) V3.0: 6.1 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2018-19132 |
Squid before 4.4, when SNMP is enabled, allows a denial of service (Memory Leak) via an SNMP packet. Published: November 09, 2018; 6:29:03 AM -0500 |
V4.0:(not available) V3.0: 5.9 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2018-19131 |
Squid before 4.4 has XSS via a crafted X.509 certificate during HTTP(S) error page generation for certificate errors. Published: November 09, 2018; 6:29:03 AM -0500 |
V4.0:(not available) V3.0: 6.1 MEDIUM V2.0: 4.3 MEDIUM |
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. Published: February 09, 2018; 6:29:00 PM -0500 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
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. Published: February 09, 2018; 6:29:00 PM -0500 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
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. Published: January 27, 2017; 12:59:00 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
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. Published: January 27, 2017; 12:59:00 PM -0500 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |