National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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Search Parameters:
  • Contains Software Flaws (CVE)
  • CPE Product Version: cpe:/a:squid-cache:squid:3.4.0.2
There are 33 matching records.
Displaying matches 1 through 20.
Vuln ID Summary CVSS Severity
CVE-2019-18679

An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.

Published: November 26, 2019; 12:15:13 PM -05:00
V3.1: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2019-18678

An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.

Published: November 26, 2019; 12:15:12 PM -05:00
V3.1: 5.3 MEDIUM
    V2: 5.0 MEDIUM
CVE-2019-18677

An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.

Published: November 26, 2019; 12:15:12 PM -05:00
V3.1: 6.1 MEDIUM
    V2: 5.8 MEDIUM
CVE-2019-18676

An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.

Published: November 26, 2019; 12:15:12 PM -05:00
V3.1: 7.5 HIGH
    V2: 5.0 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; 03:15:13 PM -04:00
V3.0: 5.9 MEDIUM
    V2: 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; 03:15:13 PM -04:00
V3.0: 9.8 CRITICAL
    V2: 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 -04:00
V3.0: 6.1 MEDIUM
    V2: 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; 06:29:03 AM -05:00
V3.0: 5.9 MEDIUM
    V2: 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; 06:29:03 AM -05:00
V3.0: 6.1 MEDIUM
    V2: 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; 06:29:00 PM -05:00
V3.0: 7.5 HIGH
    V2: 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; 06:29:00 PM -05:00
V3.0: 7.5 HIGH
    V2: 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 -05:00
V3.0: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2016-4556

Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.

Published: May 10, 2016; 03:59:03 PM -04:00
V3.0: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2016-4555

client_side_request.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via crafted Edge Side Includes (ESI) responses.

Published: May 10, 2016; 03:59:02 PM -04:00
V3.0: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2016-4554

mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.

Published: May 10, 2016; 03:59:01 PM -04:00
V3.0: 8.6 HIGH
    V2: 5.0 MEDIUM
CVE-2016-4553

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

Published: May 10, 2016; 03:59:00 PM -04:00
V3.0: 8.6 HIGH
    V2: 5.0 MEDIUM
CVE-2016-4054

Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers to execute arbitrary code via crafted Edge Side Includes (ESI) responses.

Published: April 25, 2016; 10:59:05 AM -04:00
V3.0: 8.1 HIGH
    V2: 6.8 MEDIUM
CVE-2016-4053

Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote attackers to obtain sensitive stack layout information via crafted Edge Side Includes (ESI) responses, related to incorrect use of assert and compiler optimization.

Published: April 25, 2016; 10:59:04 AM -04:00
V3.0: 3.7 LOW
    V2: 4.3 MEDIUM
CVE-2016-4052

Multiple stack-based buffer overflows in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote HTTP servers to cause a denial of service or execute arbitrary code via crafted Edge Side Includes (ESI) responses.

Published: April 25, 2016; 10:59:03 AM -04:00
V3.0: 8.1 HIGH
    V2: 6.8 MEDIUM
CVE-2016-4051

Buffer overflow in cachemgr.cgi in Squid 2.x, 3.x before 3.5.17, and 4.x before 4.0.9 might allow remote attackers to cause a denial of service or execute arbitrary code by seeding manager reports with crafted data.

Published: April 25, 2016; 10:59:02 AM -04:00
V3.0: 8.8 HIGH
    V2: 6.8 MEDIUM