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CVE-2020-14343

Status Candidate

Overview

A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.

Related Files

Gentoo Linux Security Advisory 202402-33
Posted Feb 27, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202402-33 - A vulnerability has been found in PyYAML which can lead to arbitrary code execution. Versions greater than or equal to 5.4 are affected.

tags | advisory, arbitrary, code execution
systems | linux, gentoo
advisories | CVE-2020-14343
SHA-256 | f4d09f96c6fd63bc663c1fcd7759f0ad11b22c55258843d1b93b19d2ffbcb9bc
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
Red Hat Security Advisory 2021-2583-01
Posted Jun 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2583-01 - Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

tags | advisory, python
systems | linux, redhat
advisories | CVE-2020-14343
SHA-256 | f936f54e176c028c5c99fe0e198c2f2a89bc3c8d26bb535d64886a073a2ece21
Ubuntu Security Notice USN-4940-1
Posted May 10, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4940-1 - It was discovered that PyYAML incorrectly handled untrusted YAML files with the FullLoader loader. A remote attacker could possibly use this issue to execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-14343
SHA-256 | 26cf20568e9046c31cde4f52b3870ffa8d590f4ecc4378cfff3a9ec384cb0f1c
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