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...

USN-4967-2: nginx vulnerability

USN-4967-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could...

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,...

nginx 1.20.0 DNS Resolver Off-By-One Heap Write Exploit

An off-by-one error in ngxresolvercopy while processing DNS responses allows a network attacker to write a dot character '.', 0x2E out of bounds in a heap allocated buffer. The vulnerability can be triggered by a DNS response in reply to a DNS request from nginx when the resolver primitive is...

USN-4967-1 nginx vulnerability

Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4967-1: nginx vulnerability

Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code...

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:...

PT-2021-3126

Name of the Vulnerable Software and Affected Versions nginx versions 1.20.0 Description A security issue in the nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause a 1-byte memory overwrite, resulting in a worker process crash...

RHEL 8 : bind (RHSA-2021:1989)

"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:1989 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named %NASLMINLEVEL...

Moderate: Red Hat Security Advisory: unbound security, bug fix, and enhancement update

An update for unbound is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

RLSA-2021:1853 Moderate: unbound security, bug fix, and enhancement update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: integer overflow in the regional allocator via regionalalloc CVE-2019-25032 unbound: integer overflow in sldnsstr2wirednamebuforigin can lead to an out-of-bounds write CVE-2019-25034...

unbound security, bug fix, and enhancement update

An update is available for unbound. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The unbound packages provide a validating, recursive, and caching DNS or DNSS...

Moderate: unbound security, bug fix, and enhancement update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: integer overflow in the regional allocator via regionalalloc CVE-2019-25032 unbound: integer overflow in sldnsstr2wirednamebuforigin can lead to an out-of-bounds write CVE-2019-25034...

Debian DLA-2652-1 : unbound1.9 security update

Several security vulnerabilities have been discovered in Unbound, a validating, recursive, caching DNS resolver, by security researchers of X41 D-SEC located in Aachen, Germany. Integer overflows, assertion failures, an out-of-bound write and an infinite loop vulnerability may lead to a denial of...

USN-4938-1: Unbound vulnerabilities

It was discovered that Unbound contained multiple security issues. A remote attacker could possibly use these issues to cause a denial of service, inject arbitrary commands, execute arbitrary code, and overwrite local files...

Unbound Integer Overflow Vulnerability

Unbound is a DNS resolver that supports validation, recursion, and caching features. An integer overflow vulnerability exists in the size calculation in respip/respip.c in versions of Unbound prior to 1.9.5. No detailed vulnerability details are provided at this time...

Unbound Infinite Loop Vulnerability

Unbound is a DNS resolver that supports validation, recursion, and caching features. An infinite loop vulnerability exists in dnamepktcopy in Unbound versions prior to 1.9.5. An attacker can exploit this vulnerability by compressing names to cause an infinite loop...

Unbound integer overflow vulnerability (CNVD-2021-32624)

Unbound is a DNS resolver that supports validation, recursion, and caching features. An integer overflow vulnerability exists in sldnsstr2wirednamebuforigin in versions of Unbound prior to 1.9.5. An attacker could exploit this vulnerability to cause an out-of-bounds write...

Unbound Assertion Failure Vulnerability (CNVD-2021-32627)

Unbound is a DNS resolver that supports validation, recursion, and caching features. An assertion failure vulnerability exists in dnamepktcopy in versions of Unbound prior to 1.9.5. An attacker can exploit this vulnerability via invalid packets to cause a denial of service...

Unbound Assertion Failure Vulnerability

Unbound is a DNS resolver that supports validation, recursion, and caching features. An assertion failure vulnerability exists in dnamepktcopy in versions of Unbound prior to 1.9.5. An attacker can exploit this vulnerability by compressing names to cause an assertion failure...