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CVE-2019-18860

Status Candidate

Overview

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.

Related Files

Red Hat Security Advisory 2020-4743-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4743-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Issues addressed include buffer overflow, bypass, cross site request forgery, denial of service, heap overflow, information leakage, and out of bounds read vulnerabilities.

tags | advisory, web, denial of service, overflow, vulnerability, csrf
systems | linux, redhat
advisories | CVE-2019-12520, CVE-2019-12521, CVE-2019-12523, CVE-2019-12524, CVE-2019-12526, CVE-2019-12528, CVE-2019-12529, CVE-2019-12854, CVE-2019-18676, CVE-2019-18677, CVE-2019-18678, CVE-2019-18679, CVE-2019-18860, CVE-2020-14058, CVE-2020-15049, CVE-2020-24606, CVE-2020-8449, CVE-2020-8450
SHA-256 | 6a36bcffb87c3fe39872c03d6a9977d9fae1e90b42488ae64fd7e983caa0c436
Debian Security Advisory 4732-1
Posted Jul 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4732-1 - Two security issues were discovered in the Squid proxy caching server, which could result in cache poisoning, request smuggling and incomplete validation of hostnames in cachemgr.cgi.

tags | advisory, cgi
systems | linux, debian
advisories | CVE-2019-18860, CVE-2020-1504
SHA-256 | 9d9b5e8131caa8335becba06aaa08eea970df818d67d20ad2fb78d2176ca9219
Ubuntu Security Notice USN-4356-1
Posted May 13, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4356-1 - Jeriko One discovered that Squid incorrectly handled certain Edge Side Includes responses. A malicious remote server could cause Squid to crash, possibly poison the cache, or possibly execute arbitrary code. It was discovered that Squid incorrectly handled the hostname parameter to cachemgr.cgi when certain browsers are used. A remote attacker could possibly use this issue to inject HTML or invalid characters in the hostname parameter. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10. Various other issues were also addressed.

tags | advisory, remote, arbitrary, cgi
systems | linux, ubuntu
advisories | CVE-2019-12519, CVE-2019-18860, CVE-2020-11945
SHA-256 | 960fef25aa8c71a4e17e850351da212e243879b78cfe6f657b38729f18431115
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