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CVE-2019-9021

Status Candidate

Overview

An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.

Related Files

Red Hat Security Advisory 2020-1624-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1624-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Issues addressed include buffer overflow, information leakage, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, web, overflow, php, vulnerability
systems | linux, redhat
advisories | CVE-2018-20783, CVE-2019-11034, CVE-2019-11035, CVE-2019-11036, CVE-2019-11039, CVE-2019-11040, CVE-2019-11041, CVE-2019-11042, CVE-2019-9020, CVE-2019-9021, CVE-2019-9022, CVE-2019-9023, CVE-2019-9024, CVE-2019-9637, CVE-2019-9638, CVE-2019-9639, CVE-2019-9640
SHA-256 | c96e8fee80a645f0904ada7ce87f3c2527621cbf495aebd6725f9632d78932a0
Red Hat Security Advisory 2019-3299-01
Posted Nov 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3299-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Issues addressed include buffer overflow and information leakage vulnerabilities.

tags | advisory, web, overflow, php, vulnerability
systems | linux, redhat
advisories | CVE-2016-10166, CVE-2018-20783, CVE-2019-11034, CVE-2019-11035, CVE-2019-11036, CVE-2019-11038, CVE-2019-11039, CVE-2019-11040, CVE-2019-11041, CVE-2019-11042, CVE-2019-11043, CVE-2019-6977, CVE-2019-9020, CVE-2019-9021, CVE-2019-9022, CVE-2019-9023, CVE-2019-9024, CVE-2019-9637, CVE-2019-9638, CVE-2019-9639, CVE-2019-9640
SHA-256 | 3e6fa23a90586dc864b7d2f66f36956feb884ebbfb6236d5061b8a831b9c3da8
Red Hat Security Advisory 2019-2519-01
Posted Aug 19, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2519-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Issues addressed include buffer overflow, bypass, cross site scripting, denial of service, information leakage, and null pointer vulnerabilities.

tags | advisory, web, denial of service, overflow, php, vulnerability, xss
systems | linux, redhat
advisories | CVE-2016-10166, CVE-2017-12932, CVE-2017-16642, CVE-2017-9118, CVE-2017-9120, CVE-2018-10545, CVE-2018-10546, CVE-2018-10547, CVE-2018-10548, CVE-2018-10549, CVE-2018-14851, CVE-2018-14884, CVE-2018-17082, CVE-2018-20783, CVE-2018-5711, CVE-2018-5712, CVE-2018-7584, CVE-2019-11034, CVE-2019-11035, CVE-2019-11036, CVE-2019-11038, CVE-2019-11039, CVE-2019-11040, CVE-2019-6977, CVE-2019-9020, CVE-2019-9021, CVE-2019-9022
SHA-256 | acffbdfe90b0a58970132a1847884fe8bf47723bf6191011cc4ac8b281a95407
Ubuntu Security Notice USN-3902-2
Posted Mar 12, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3902-2 - USN-3902-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that the PHP XML-RPC module incorrectly handled decoding XML data. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, php
systems | linux, ubuntu
advisories | CVE-2019-9020, CVE-2019-9021, CVE-2019-9023, CVE-2019-9024
SHA-256 | 8c5cc0af99e03f737cb519150962c02823fb921e860b9c2988049030499ed991
Ubuntu Security Notice USN-3902-1
Posted Mar 6, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3902-1 - It was discovered that the PHP XML-RPC module incorrectly handled decoding XML data. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. It was discovered that the PHP PHAR module incorrectly handled certain filenames. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. It was discovered that PHP incorrectly parsed certain DNS responses. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, php
systems | linux, ubuntu
advisories | CVE-2019-9020, CVE-2019-9021, CVE-2019-9022, CVE-2019-9023, CVE-2019-9024
SHA-256 | c8e41445031ceeae1b65118e4b06e45ae66592a97f879619103917d898a7d5f1
Debian Security Advisory 4398-1
Posted Mar 1, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4398-1 - Multiple security issues were found in PHP, a widely-used open source accesses were found in the xmlrpc, mbstring and phar extensions and the dns_get_record() function.

tags | advisory, php
systems | linux, debian
advisories | CVE-2019-9020, CVE-2019-9021, CVE-2019-9022, CVE-2019-9023, CVE-2019-9024
SHA-256 | bb6f100c0cfb913e1e3fe016d99002b7a50d51a8a65b9ce07de097341cf78649
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