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CVE-2021-32740

Status Candidate

Overview

Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. An uncontrolled resource consumption vulnerability exists after version 2.3.0 through version 2.7.0. Within the URI template implementation in Addressable, a maliciously crafted template may result in uncontrolled resource consumption, leading to denial of service when matched against a URI. In typical usage, templates would not normally be read from untrusted user input, but nonetheless, no previous security advisory for Addressable has cautioned against doing this. Users of the parsing capabilities in Addressable but not the URI template capabilities are unaffected. The vulnerability is patched in version 2.8.0. As a workaround, only create Template objects from trusted sources that have been validated not to produce catastrophic backtracking.

Related Files

Red Hat Security Advisory 2021-4702-01
Posted Nov 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4702-01 - Red Hat Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single centralized tool. Issues addressed include XML injection, code execution, denial of service, information leakage, local file inclusion, man-in-the-middle, memory leak, open redirection, password leak, remote file inclusion, remote shell upload, and traversal vulnerabilities.

tags | advisory, remote, denial of service, shell, local, vulnerability, code execution, memory leak, file inclusion
systems | linux, redhat
advisories | CVE-2019-14853, CVE-2019-14859, CVE-2019-25025, CVE-2020-14343, CVE-2020-26247, CVE-2020-8130, CVE-2020-8908, CVE-2021-20256, CVE-2021-21330, CVE-2021-22885, CVE-2021-22902, CVE-2021-22904, CVE-2021-28658, CVE-2021-29509, CVE-2021-31542, CVE-2021-32740, CVE-2021-33203, CVE-2021-33503, CVE-2021-33571, CVE-2021-3413, CVE-2021-3494
SHA-256 | 8add47f95e7029cc9b29e159ddcedaf8b823cd7f438afa063e0aa09ebed5c91a
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