Vulnerabilities fixed in Squid

Vulnerabilities have been fixed in Squid. The vulnerabilities allow a remote malicious person to perform attacks that lead to a denial-of-service. The developers of Squid categorize these vulnerabilities according to the CVSSv3 method with a highest score of 8.8. The developers of Squid have...

Squid < 4.13 Multiple Vulnerabilities

According to its self-reported version number, the version of Squid installed on the remote host is 5.x 5.0.4 or prior to 4.13. It is, therefore, affected by multiple vulnerabilities: - Due to incorrect data validation Squid is vulnerable to HTTP request splitting and HTTP request smuggling attac...

Ubuntu 16.04 LTS / 18.04 LTS : Squid vulnerabilities (USN-4551-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4551-1 advisory. Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use...

MGASA-2020-0361 Updated squid packages fix security vulnerabilities

An issue was discovered in Squid before 4.13. Due to incorrect data validation, HTTP Request Smuggling 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 proxy cache and any...

Ubuntu 20.04 LTS : Squid vulnerabilities (USN-4477-1)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4477-1 advisory. Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling...

USN-4477-1 squid vulnerabilities

Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15810 Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker...

Squid 2.x < 4.12 / 5.x < 5.0.3 (SQUID-2020:5, SQUID-2020:6 & SQUID-2020:7)

According to its banner, the version of Squid running on the remote host is 2.x prior to 4.12 or 5.x prior to 5.0.3. It is,therefore, affected by multiple vulnerabilities: - Multiple denial of service DoS vulnerabilities exist in the SMP cache and TLS handshake implementations of Squid. An...

Ubuntu 16.04 LTS / 18.04 LTS : Squid vulnerabilities (USN-4289-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4289-1 advisory. Jeriko One discovered that Squid incorrectly handled memory when connected to an FTP server. A remote attacker could possibly use this issue ...

Internet Bug Bounty: HTTP Smuggling multiple issues in Squid 3.x & squid 4.x

Hello, as can be seen on a recent public security update by Squid I reported several smuggling issues. If you want some background on impact of Smuggling issues You can check the current works of James Keetle or my own previous published works. https://www.youtube.com/watch?v=upEMlJeUIk HTTP Desy...

Ubuntu 16.04 LTS / 18.04 LTS : Squid vulnerabilities (USN-4213-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4213-1 advisory. Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled certain URN requests. A remote attacker could possibly use thi...

USN-4213-1 squid, squid3 vulnerabilities

Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled certain URN requests. A remote attacker could possibly use this issue to bypass access checks and access restricted servers. This issue was only addressed in Ubuntu 19.04 and Ubuntu 19.10. CVE-2019-12523 Jeriko One...

SUSE-SU-2019:2089-2 Security update for squid

This update for squid fixes the following issues: Security issue fixed: - CVE-2019-12529: Fixed a potential denial of service associated with HTTP Basic Authentication credentials bsc1141329. - CVE-2019-12525: Fixed a denial of service during processing of HTTP Digest Authentication credentials...

Ubuntu 16.04 LTS / 18.04 LTS : Squid vulnerabilities (USN-4059-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4059-1 advisory. It was discovered that Squid incorrectly handled certain SNMP packets. A remote attacker could possibly use this issue to cause memory...

USN-4059-1 squid, squid3 vulnerabilities

It was discovered that Squid incorrectly handled certain SNMP packets. A remote attacker could possibly use this issue to cause memory consumption, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2018-19132 It was discovered that Squid incorrect...

Ubuntu 14.04 LTS / 16.04 LTS : Squid vulnerabilities (USN-3557-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3557-1 advisory. Mathias Fischer discovered that Squid incorrectly handled certain long strings in headers. A malicious remote server could possibly cause Squ...

USN-3557-1: Squid vulnerabilities

Mathias Fischer discovered that Squid incorrectly handled certain long strings in headers. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. CVE-2016-2569 William Lima discovered that Squid incorrect...

Ubuntu 14.04 LTS / 16.04 LTS : Squid vulnerabilities (USN-3192-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3192-1 advisory. Saulius Lapinskas discovered that Squid incorrectly handled processing HTTP conditional requests. A remote attacker could possibly use this...

SUSE-SU-2017:0116-1 Security update for squid

This update for squid fixes the following issues: - CVE-2016-10002: Fixed incorrect processing of responses to If-None-Modified HTTP conditional requests. This allowed responses containing private data to clients it should not have reached bsc1016168 - CVE-2014-9749: Prevent nonce replay in Diges...

Squid 3.5.x < 3.5.15 Multiple Vulnerabilities

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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...