SUSE SLES15 Security Update : nginx (SUSE-SU-2021:1814-1)

This update for nginx fixes the following issues : CVE-2021-23017: nginx DNS resolver off-by-one heap write bsc1186126 Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format...

SUSE SLES15 Security Update : nginx (SUSE-SU-2021:1792-1)

This update for nginx fixes the following issues : CVE-2021-23017: nginx DNS resolver off-by-one heap write bsc1186126 Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format...

SUSE-SU-2021:1815-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2021-23017: nginx DNS resolver off-by-one heap write bsc1186126...

SUSE-SU-2021:1814-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2021-23017: nginx DNS resolver off-by-one heap write bsc1186126...

Photon OS 2.0: Nginx PHSA-2021-2.0-0349

An update of the nginx package has been released. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2021-2.0-0349. The text itself is copyright C VMware, Inc...

Photon OS 4.0: Nginx PHSA-2021-4.0-0032

An update of the nginx package has been released. C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2021-4.0-0032. The text itself is copyright C VMware, Inc. include'deprecatednasllevel.inc'; include'compat.inc'; if descripti...

Photon OS 3.0: Nginx PHSA-2021-3.0-0243

An update of the nginx package has been released. C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2021-3.0-0243. The text itself is copyright C VMware, Inc. include'deprecatednasllevel.inc'; include'compat.inc'; if descripti...

SUSE-SU-2021:1792-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2021-23017: nginx DNS resolver off-by-one heap write bsc1186126...

Internet Bug Bounty: 1-byte heap buffer overflow in DNS resolver

Official announcement: http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html A security issue in nginx resolver was identified, which might allow an attacker to cause 1-byte memory overwrite by using a specially crafted DNS response, resulting in worker process crash or, potentially,...

Ubuntu 18.04 LTS / 20.04 LTS : nginx vulnerability (USN-4967-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4967-1 advisory. Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could use...

CVE-2021-23017

creationtimestamp| type| source ---|---|--- 2021-05-26 10:08:16+00:00| exploited| https://t.me/SecLabNews/10269 2021-05-26 11:47:01+00:00| published-proof-of-concept| https://t.me/CyberSecurityTechnologies/3456 2022-04-18 17:19:15+00:00| seen| https://t.me/truesecator/2858 2022-07-13...

nginx 1.20.0 DNS Resolver Off-By-One Heap Write

Advisory X41-2021-002: nginx DNS Resolver Off-by-One Heap Write Vulnerability ============================================================================= Severity Rating: High Confirmed Affected Versions: 0.6.18 - 1.20.0 Confirmed Patched Versions: 1.21.0, 1.20.1 Vendor: F5, Inc. Vendor URL:...

FreeBSD : NGINX -- 1-byte memory overwrite in resolver (0882f019-bd60-11eb-9bdd-8c164567ca3c)

NGINX team reports : 1-byte memory overwrite might occur during DNS server response processing if the 'resolver' directive was used, allowing an attacker who is able to forge UDP packets from the DNS server to cause worker process crash or, potentially, arbitrary code execution. %NASLMINLEVEL 703...

UBUNTU-CVE-2021-23017

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact...

CVE-2021-23017

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact...

ROS-2-1303

2.1303 Remote code execution in nginxCVE-2021-23017 1. Vulnerability Description: The vulnerability allows a remote attacker to execute arbitrary code on the target system. The vulnerability exists due to a single error in the ngxresolvercopyfunction when processing DNS responses. A remote...