Denial Of Service (DoS)

squid is vulnerable to denial of service. A flaw was found in the way squid manipulated HTTP headers for cached objects stored in system memory. An attacker could use this flaw to cause a squid child process to exit. This interrupted existing connections and made proxy services unavailable. Note:...

Denial Of Service (DoS)

squid is vulnerable to denial of service. A flaw was found in the way squid stored HTTP headers for cached objects in system memory. An attacker could cause squid to use additional memory, and trigger high CPU usage when processing requests for certain cached objects, possibly leading to a denial...

Denial Of Service (DoS)

Squid is vulnerable to denial of service DoS. Due to the way Squid processed the TRACE request method, it was possible for an attacker behind the Squid proxy to issue a malformed TRACE request, crashing the Squid daemon child process. As long as these requests were sent, it would prevent legitima...

CentOS 7 : squid (RHSA-2020:1068)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1068 advisory. - 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 ES...

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 checki...

CVE-2019-12528

A flaw was found in squid. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes. Mitigation As a workaround, it is possible to disable support for FTP. In order to do so,...

squid security update

CentOS Errata and Security Advisory CESA-2020:1068 An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CVE-2019-12854

Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it...

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,...

Fedora 31 : 7:squid (2020-790296a8f4)

update to 4.10 - Resolves: 1798535 - CVE-2019-12528 squid: Information Disclosure issue in FTP Gateway - Resolves: 1798554 - CVE-2020-8450 squid: Buffer overflow in a Squid acting as reverse-proxy - Resolves: 1798541 - CVE-2020-8449 squid: Improper input validation issues. in HTTP Request...

Fedora 30 : 7:squid (2020-ab8e7463ab)

update to 4.10 - Resolves: 1798535 - CVE-2019-12528 squid: Information Disclosure issue in FTP Gateway - Resolves: 1798554 - CVE-2020-8450 squid: Buffer overflow in a Squid acting as reverse-proxy - Resolves: 1798541 - CVE-2020-8449 squid: Improper input validation issues. in HTTP Request...

squid security and bug fix update

7:3.5.20-15 - Resolves: 1690551 - Squid cachepeer DNS lookup failed when not all lower case - Resolves: 1680022 - squid cant display download/upload packet size for HTTPS sites - Resolves: 1717430 - Excessive memory usage when running out of descriptors - Resolves: 1676420 - Cache siblings return...

CVE-2019-18677

An issue was discovered in Squid 3.x and 4.x through 4.8 when the appenddomain 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...

CVE-2018-19131

A Cross-Site Scripting vulnerability has been discovered in squid in the way X.509 certificates fields are displayed in some error pages. An attacker who can control the certificate of the origin content server may use this flaw to inject scripting code in the squid generated page, which is...

CVE-2019-12527

A flaw was discovered in Squid versions 4.0.23 through 4.7. When checking Basic Authentication with HttpHeader::getAuth, Squid uses a global buffer to store the decoded data but does not check that the decoded length is not greater than the buffer. This flaw leads to a heap-based buffer overflow...

Fedora: Security Advisory for squid (FEDORA-2020-ab8e7463ab)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for squid (FEDORA-2020-790296a8f4)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Friday Squid Blogging: On Squid Communication

They can communicate using bioluminescent flashes: New research published this week in Proceedings of the National Academy of Sciences presents evidence for a previously unknown semantic-like ability in Humboldt squid. What's more, these squid can enhance the visibility of their skin patterns by...

[SECURITY] Fedora 31 Update: squid-4.10-3.fc31

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DN...

[SECURITY] Fedora 30 Update: squid-4.10-3.fc30

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DN...