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CVE-2020-12723

Status Candidate

Overview

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Related Files

Red Hat Security Advisory 2021-2184-01
Posted Jun 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2184-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, perl
systems | linux, redhat
advisories | CVE-2020-12723
SHA-256 | 640a6516dc421f71a1f4a6312e6a17329fc0c7c9f1c208717ac6f99d6a4f6763
Red Hat Security Advisory 2021-1266-01
Posted Apr 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1266-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include buffer overflow, denial of service, and integer overflow vulnerabilities.

tags | advisory, web, denial of service, overflow, perl, vulnerability
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | 3ea7c9be6fbc9e9091f64b909707dc04a8905cee3db19b722c86b536b06fe1dc
Red Hat Security Advisory 2021-1129-01
Posted Apr 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1129-01 - Red Hat 3scale API Management delivers centralized API management features through a distributed, cloud-hosted layer. It includes built-in features to help in building a more successful API program, including access control, rate limits, payment gateway integration, and developer experience tools. This advisory is intended to use with container images for Red Hat 3scale API Management 2.10.0.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-20843, CVE-2019-11719, CVE-2019-11727, CVE-2019-11756, CVE-2019-12749, CVE-2019-14866, CVE-2019-15903, CVE-2019-17006, CVE-2019-17023, CVE-2019-17498, CVE-2019-19126, CVE-2019-19532, CVE-2019-19956, CVE-2019-20388, CVE-2019-20907, CVE-2019-5094, CVE-2019-5188, CVE-2020-0427, CVE-2020-12243, CVE-2020-12400, CVE-2020-12401, CVE-2020-12402, CVE-2020-12403, CVE-2020-12723, CVE-2020-14040, CVE-2020-14351, CVE-2020-1971
SHA-256 | 080546fe1bfc5e278c82d7414e75a36e9df9b89d827f78304ae6390c7b762f52
Red Hat Security Advisory 2021-1032-01
Posted Mar 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1032-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include buffer overflow, denial of service, and integer overflow vulnerabilities.

tags | advisory, web, denial of service, overflow, perl, vulnerability
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | 16b5c6df043eca22d0b125ac172a593a4f39356ff95205b02307b6e336359f69
Red Hat Security Advisory 2021-0883-01
Posted Mar 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0883-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include buffer overflow, denial of service, and integer overflow vulnerabilities.

tags | advisory, web, denial of service, overflow, perl, vulnerability
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | cbc9b8bd83507bf938688391a0a664400f853bc1831b8bc544dadbd9318204bf
Red Hat Security Advisory 2021-0780-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0780-01 - Red Hat Ansible Tower 3.8.2-1 has a security and bug fix update. Issues addressed include privilege escalation and traversal vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723, CVE-2020-35678, CVE-2021-20178, CVE-2021-20180, CVE-2021-20191, CVE-2021-20228, CVE-2021-20253, CVE-2021-3281
SHA-256 | a31c39fa66b6bc6b23e3b19170fc67487d8151e576474565c044fe7a2b50c600
Red Hat Security Advisory 2021-0778-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0778-01 - Red Hat Ansible Tower 3.6.7-1 has a security and bug fix update. Issues addressed include HTTP request smuggling, code execution, cross site scripting, and privilege escalation vulnerabilities.

tags | advisory, web, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2016-5766, CVE-2018-20843, CVE-2019-11719, CVE-2019-11727, CVE-2019-11756, CVE-2019-12749, CVE-2019-14866, CVE-2019-15903, CVE-2019-17006, CVE-2019-17023, CVE-2019-17498, CVE-2019-19956, CVE-2019-20372, CVE-2019-20388, CVE-2019-20907, CVE-2020-10543, CVE-2020-10878, CVE-2020-11022, CVE-2020-11023, CVE-2020-12243, CVE-2020-12400, CVE-2020-12401, CVE-2020-12402, CVE-2020-12403, CVE-2020-12723, CVE-2020-1971
SHA-256 | b36485939bcc96f4f05a1b61fcc6c6e3aefa7b635d0f1eb06d546cdccf61da2a
Red Hat Security Advisory 2021-0779-01
Posted Mar 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0779-01 - Red Hat Ansible Tower 3.7.5-1 has a security and bug fix update. Issues addressed include HTTP request smuggling and privilege escalation vulnerabilities.

tags | advisory, web, vulnerability
systems | linux, redhat
advisories | CVE-2019-20372, CVE-2020-10543, CVE-2020-10878, CVE-2020-12723, CVE-2020-35678, CVE-2021-20178, CVE-2021-20180, CVE-2021-20191, CVE-2021-20228, CVE-2021-20253
SHA-256 | ffea5b924d380661bcc8195b96557d4036aa09a293d42a21776c1077e68571d1
Red Hat Security Advisory 2021-0719-01
Posted Mar 4, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0719-01 - Red Hat Advanced Cluster Management for Kubernetes 2.0.8 images. Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which resolve some security issues and bugs.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723, CVE-2020-14351, CVE-2020-15436, CVE-2020-25705, CVE-2020-29661, CVE-2020-35513, CVE-2021-20230, CVE-2021-3121
SHA-256 | 2f14cab81d5c42464f47e9dcf7d3143a48bb175a76c4d60fed61e7817dcce904
Red Hat Security Advisory 2021-0557-01
Posted Feb 16, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0557-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, perl
systems | linux, redhat
advisories | CVE-2020-12723
SHA-256 | 1f7fbb8a9cda11a8da72b390e2dc8c19d436b004932f3dfe932f1cb842431812
Red Hat Security Advisory 2021-0343-01
Posted Feb 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0343-01 - Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Issues addressed include buffer overflow, denial of service, and integer overflow vulnerabilities.

tags | advisory, web, denial of service, overflow, perl, vulnerability
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | 69e70a7c3cc1600a98fd403dd7ea25532c79c86456dc3b04bea2d87b130791a9
Ubuntu Security Notice USN-4602-2
Posted Oct 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4602-2 - USN-4602-1 fixed several vulnerabilities in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, perl, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | 86b1279f5ba83fe76fe52f2395906c7367643ef255456da358314e985b840833
Ubuntu Security Notice USN-4602-1
Posted Oct 26, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4602-1 - ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Hugo van der Sanden and Slaven Rezic discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, perl
systems | linux, ubuntu
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | d25f9b9d4ca7ae202dc5ae8297633524adb09b4dec99f80f5ce8e5ff0fc1c2a6
Gentoo Linux Security Advisory 202006-03
Posted Jun 12, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202006-3 - Multiple vulnerabilities have been found in Perl, the worst of which could result in a Denial of Service condition. Versions less than 5.30.3 are affected.

tags | advisory, denial of service, perl, vulnerability
systems | linux, gentoo
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723
SHA-256 | 5e17983e546a9b1f26a96adf8697b8765a0d99f16c9677106675109db939e6c0
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