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Summary

Detail
Vendor Squid-Cache First view 2016-04-07
Product Squid Last view 2024-01-24
Version 3.5.7 Type Application
Update *  
Edition *  
Language *  
Sofware Edition *  
Target Software *  
Target Hardware *  
Other *  
 
CPE Product cpe:2.3:a:squid-cache:squid

Activity : Overall

Related : CVE

This CPE have more than 25 Relations. If you want to see a complete summary for this CPE, please contact us.
  Date Alert Description
6.5 2024-01-24 CVE-2024-23638

Squid is a caching proxy for the Web. Due to an expired pointer reference bug, Squid prior to version 6.6 is vulnerable to a Denial of Service attack against Cache Manager error responses. This problem allows a trusted client to perform Denial of Service when generating error pages for Client Manager reports. Squid older than 5.0.5 have not been tested and should be assumed to be vulnerable. All Squid-5.x up to and including 5.9 are vulnerable. All Squid-6.x up to and including 6.5 are vulnerable. This bug is fixed by Squid version 6.6. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. As a workaround, prevent access to Cache Manager using Squid's main access control: `http_access deny manager`.

7.5 2023-12-14 CVE-2023-50269

Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may be vulnerable to a Denial of Service attack against HTTP Request parsing. This problem allows a remote client to perform Denial of Service attack by sending a large X-Forwarded-For header when the follow_x_forwarded_for feature is configured. This bug is fixed by Squid version 6.6. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives.

7.5 2023-12-04 CVE-2023-49288

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with "collapsed_forwarding on" are vulnerable. Configurations with "collapsed_forwarding off" or without a "collapsed_forwarding" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf.

7.5 2023-12-04 CVE-2023-49286

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

7.5 2023-12-04 CVE-2023-49285

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

7.5 2023-11-06 CVE-2023-46728

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0.1. Responses triggering this bug are possible to be received from any gopher server, even those without malicious intent. Gopher support has been removed in Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should reject all gopher URL requests.

7.5 2023-11-03 CVE-2023-5824

Squid is vulnerable to Denial of Service attack against HTTP and HTTPS clients due to an Improper Handling of Structural Elements bug.

7.5 2023-11-03 CVE-2023-46848

Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.

7.5 2023-11-03 CVE-2023-46847

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

5.3 2023-11-03 CVE-2023-46846

SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.

7.5 2023-11-01 CVE-2023-46724

Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.

8.6 2022-12-25 CVE-2022-41318

A buffer over-read was discovered in libntlmauth in Squid 2.5 through 5.6. Due to incorrect integer-overflow protection, the SSPI and SMB authentication helpers are vulnerable to reading unintended memory locations. In some configurations, cleartext credentials from these locations are sent to a client. This is fixed in 5.7.

6.5 2022-12-25 CVE-2022-41317

An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy via an HTTPS request to an internal cache manager URL. This is fixed in 5.7.

6.5 2022-07-17 CVE-2021-46784

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.

7.5 2021-10-18 CVE-2021-41611

An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.

6.5 2021-06-08 CVE-2021-31807

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.

6.5 2021-05-28 CVE-2021-33620

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

6.5 2021-05-27 CVE-2021-31808

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.

6.5 2021-05-27 CVE-2021-31806

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.

6.5 2021-05-27 CVE-2021-28662

An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.

4.9 2021-05-27 CVE-2021-28652

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.

7.5 2021-05-27 CVE-2021-28651

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.

8.6 2021-03-19 CVE-2020-25097

An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.

5.3 2021-03-09 CVE-2021-28116

Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.

6.5 2020-09-02 CVE-2020-15811

An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the browser cache and any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing the Transfer-Encoding header to find chunked encoding. This allows an attacker to hide a second request inside Transfer-Encoding: it is interpreted by Squid as chunked and split out into a second request delivered upstream. Squid will then deliver two distinct responses to the client, corrupting any downstream caches.

CWE : Common Weakness Enumeration

This CPE have more than 25 Relations. If you want to see a complete summary for this CPE, please contact us.
%idName
11% (8) CWE-787 Out-of-bounds Write
8% (6) CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer
8% (6) CWE-20 Improper Input Validation
7% (5) CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggli...
5% (4) CWE-190 Integer Overflow or Wraparound
4% (3) CWE-697 Insufficient Comparison
4% (3) CWE-125 Out-of-bounds Read
2% (2) CWE-617 Reachable Assertion
2% (2) CWE-476 NULL Pointer Dereference
2% (2) CWE-401 Failure to Release Memory Before Removing Last Reference ('Memory L...
2% (2) CWE-345 Insufficient Verification of Data Authenticity
2% (2) CWE-295 Certificate Issues
2% (2) CWE-200 Information Exposure
2% (2) CWE-116 Improper Encoding or Escaping of Output
2% (2) CWE-79 Failure to Preserve Web Page Structure ('Cross-site Scripting')
1% (1) CWE-772 Missing Release of Resource after Effective Lifetime
1% (1) CWE-755 Improper Handling of Exceptional Conditions
1% (1) CWE-754 Improper Check for Unusual or Exceptional Conditions
1% (1) CWE-681 Incorrect Conversion between Numeric Types
1% (1) CWE-674 Uncontrolled Recursion
1% (1) CWE-672 Operation on a Resource after Expiration or Release
1% (1) CWE-668 Exposure of Resource to Wrong Sphere
1% (1) CWE-667 Insufficient Locking
1% (1) CWE-662 Insufficient Synchronization
1% (1) CWE-416 Use After Free

Snort® IPS/IDS

Date Description
2018-03-29 Squid HTTP Vary response header denial of service attempt
RuleID : 45757 - Type : SERVER-OTHER - Revision : 1
2018-03-29 Squid HTTP Accept Encoding response header denial of service attempt
RuleID : 45756 - Type : SERVER-OTHER - Revision : 1
2018-03-01 Squid host header cache poisoning attempt
RuleID : 45569 - Type : SERVER-WEBAPP - Revision : 1
2017-07-25 Squid ESI processing buffer overflow attempt
RuleID : 43268 - Type : SERVER-WEBAPP - Revision : 2

Nessus® Vulnerability Scanner

This CPE have more than 25 Relations. If you want to see a complete summary for this CPE, please contact us.
id Description
2019-01-03 Name: The remote Fedora host is missing a security update.
File: fedora_2018-714298460e.nasl - Type: ACT_GATHER_INFO
2018-11-27 Name: The remote Debian host is missing a security update.
File: debian_DLA-1596.nasl - Type: ACT_GATHER_INFO
2018-09-20 Name: The remote Amazon Linux AMI host is missing a security update.
File: ala_ALAS-2018-1081.nasl - Type: ACT_GATHER_INFO
2018-05-02 Name: The remote EulerOS host is missing multiple security updates.
File: EulerOS_SA-2018-1075.nasl - Type: ACT_GATHER_INFO
2018-05-02 Name: The remote EulerOS host is missing multiple security updates.
File: EulerOS_SA-2018-1074.nasl - Type: ACT_GATHER_INFO
2018-02-26 Name: The remote FreeBSD host is missing one or more security-related updates.
File: freebsd_pkg_d5b6d151188711e894f79c5c8e75236a.nasl - Type: ACT_GATHER_INFO
2018-02-23 Name: The remote Debian host is missing a security-related update.
File: debian_DSA-4122.nasl - Type: ACT_GATHER_INFO
2018-02-07 Name: The remote Fedora host is missing a security update.
File: fedora_2018-4fabf63492.nasl - Type: ACT_GATHER_INFO
2018-02-05 Name: The remote Debian host is missing a security update.
File: debian_DLA-1266.nasl - Type: ACT_GATHER_INFO
2018-02-05 Name: The remote Debian host is missing a security update.
File: debian_DLA-1267.nasl - Type: ACT_GATHER_INFO
2017-07-13 Name: The remote Virtuozzo host is missing a security update.
File: Virtuozzo_VZLSA-2017-0183.nasl - Type: ACT_GATHER_INFO
2017-07-13 Name: The remote Virtuozzo host is missing a security update.
File: Virtuozzo_VZLSA-2017-0182.nasl - Type: ACT_GATHER_INFO
2017-06-05 Name: The remote proxy server is affected by multiple vulnerabilities.
File: squid_4_0_17.nasl - Type: ACT_GATHER_INFO
2017-05-01 Name: The remote EulerOS host is missing a security update.
File: EulerOS_SA-2017-1018.nasl - Type: ACT_GATHER_INFO
2017-05-01 Name: The remote EulerOS host is missing a security update.
File: EulerOS_SA-2017-1017.nasl - Type: ACT_GATHER_INFO
2017-05-01 Name: The remote EulerOS host is missing multiple security updates.
File: EulerOS_SA-2016-1056.nasl - Type: ACT_GATHER_INFO
2017-05-01 Name: The remote EulerOS host is missing multiple security updates.
File: EulerOS_SA-2016-1025.nasl - Type: ACT_GATHER_INFO
2017-02-07 Name: The remote Ubuntu host is missing a security-related patch.
File: ubuntu_USN-3192-1.nasl - Type: ACT_GATHER_INFO
2017-01-27 Name: The remote CentOS host is missing a security update.
File: centos_RHSA-2017-0183.nasl - Type: ACT_GATHER_INFO
2017-01-27 Name: The remote CentOS host is missing one or more security updates.
File: centos_RHSA-2017-0182.nasl - Type: ACT_GATHER_INFO
2017-01-25 Name: The remote Scientific Linux host is missing one or more security updates.
File: sl_20170124_squid_on_SL7_x.nasl - Type: ACT_GATHER_INFO
2017-01-25 Name: The remote Scientific Linux host is missing one or more security updates.
File: sl_20170124_squid34_on_SL6_x.nasl - Type: ACT_GATHER_INFO
2017-01-25 Name: The remote Red Hat host is missing one or more security updates.
File: redhat-RHSA-2017-0183.nasl - Type: ACT_GATHER_INFO
2017-01-25 Name: The remote Red Hat host is missing one or more security updates.
File: redhat-RHSA-2017-0182.nasl - Type: ACT_GATHER_INFO
2017-01-25 Name: The remote Oracle Linux host is missing a security update.
File: oraclelinux_ELSA-2017-0183.nasl - Type: ACT_GATHER_INFO