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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
MD5 | 02fb8629172e46c9cb940ce6b198c57c
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
MD5 | f97b03a9545f11491b1cf08b54df658c
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
MD5 | 0aac387101bdf7b27b57090a9070a68c
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
MD5 | 2ddb4b768adb43305929cb7dab3ed45a
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
MD5 | 0f9cb8428110197da55672ff721c1568
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
MD5 | 273e0643c8b4033a91140a8a18a198ca
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
MD5 | 198f85a6d096aab12ca29885a346b930
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
MD5 | fee4cb4e9b4465aff1ce39f4a6da2053
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
MD5 | 710e5973820f10de3dd34c4ac2b87276
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
MD5 | be081b7bf4fcfb242bf899525f9b3fec
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
MD5 | fd544b1b601f01432dcbce4b41dc19aa
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
MD5 | 549f62bb06239388f75ae227d8f0e23c
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
MD5 | 12de9bee88d387efd047ec5aa10983a5
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
MD5 | d5ef6833669c64a8b1c75e1e39522b58
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