CVE-2023-2829 Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198 option synth-from-dnssec enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through...

CVE-2023-2829

CVE-2023-2829 affects BIND 9: named may terminate when synth-from-dnssec is enabled and a zone contains a malformed NSEC record. Affected versions are BIND 9.16.8-S1–9.16.41-S1 and 9.18.11-S1–9.18.15-S1. The issue is caused by parsing/processing of DNSSEC-cache data (NSEC) and can be triggered re...

CVE-2023-2829

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198 option synth-from-dnssec enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through...

PT-2023-21641 · Isc +1 · Bind 9 +1

Name of the Vulnerable Software and Affected Versions: BIND 9 versions 9.16.8-S1 through 9.16.41-S1 BIND 9 versions 9.18.11-S1 through 9.18.15-S1 Description: A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198...

bind: sending specific queries to the resolver may cause a DoS

A flaw was found in Bind, where a resolver crash is possible. When stale cache and stale answers are enabled, the option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query...

ALSA-2023:2771 Moderate: unbound security and bug fix update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: NRDelegation attack leads to uncontrolled resource consumption Non-Responsive Delegation Attack CVE-2022-3204 For more details about the security issues, including the impact, a CVSS...

SHA-1 chosen prefix collision

Lines of code Vulnerability details Impact An attacker can claim DNS names signed with SHA-1 algorithms 5 and 7 which he does not own. Proof of Concept SHA-1 has been broken for chosen prefix collision. This means that an attacker can have his parent domain, if it signs with SHA-1, sign an RRset...

Trust anchors cannot be updated

Lines of code Vulnerability details Impact It will not be possible to claim names, because ENS will not be able to verify DNSSEC records after a root key rollover. Proof of Concept The DNSSEC root key signing keys act as trust anchors for the entire system. If they are invalid DNSSEC records...

Timestamp manipulation affects DNSSEC records on contracts/dnssec-oracle/DNSSECImpl.sol

Lines of code Vulnerability details Impact timestamp parameter to validate DNSSEC records. The timestamp parameter is passed as an argument to the verifyRRSIG function, which is responsible for verifying that the DNSSEC record is valid at a specific point in time. If the timestamp parameter can b...

ROS-20230414-02

DNS server BIND vulnerability is related to reachable assertion in DNS query processing. Exploitation The vulnerability allows an attacker acting remotely to send repeated patterns of specific requests to servers with DNSSEC-Validated Cache synth-from-rom enabled. queries to servers with the...

Anarchy in the UK? Not Quite: A look at the cyber health of the FTSE 350

The attack surface of the United Kingdom's 350 largest publicly traded companies has—drum roll, please—improved. But it could be better. Those are the high level findings of the latest in Rapid7's looks at the cybersecurity health of companies tied to some of the globe's largest stock indices. Th...

Security Bulletin: IBM Robotic Process Automation for Cloud Pak may be vulnerable to a denial of service due to ISC BIND (CVE-2022-38177, CVE-2022-38178).

Summary ISC BIND is used by IBM Robotic Process Automation for Cloud Pak as part of it's Antivirus and Watson NLP container images. This bulletin identifies the security fixes to apply to address this vulnerability. Vulnerability Details CVEID:CVE-2022-38177 DESCRIPTION: ISC BIND is vulnerable to...

Debian: Security Advisory (DLA-308-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian: Security Advisory (DLA-163-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

K00724442: BIG-IP DNS and GTM DNSSEC security exposure

Security Advisory Description The BIG-IP DNSSEC implementation returns an incorrect NSEC3 record for a DNS query for a resource record type, which does not exist at given name. The incorrect record indicates that only one of TXT/HINFO/RP resource record types exists at given name, even if A or AA...

K42238532: BIND vulnerabilities CVE-2019-6475 and CVE-2019-6476

Security Advisory Description CVE-2019-6475 Mirror zones are a BIND feature allowing recursive servers to pre-cache zone data provided by other servers. A mirror zone is similar to a zone of type secondary, except that its data is subject to DNSSEC validation before being used in answers, as if i...

K02138183: BIND vulnerability CVE-2016-9147

Security Advisory Description named in ISC BIND 9.9.9-P4, 9.9.9-S6, 9.10.4-P4, and 9.11.0-P1 allows remote attackers to cause a denial of service assertion failure and daemon exit via a response containing an inconsistency among the DNSSEC-related RRsets. CVE-2016-9147 Impact When the BIND...

K17025: BIND DNSSEC vulnerability CVE-2010-0097

Security Advisory Description ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P5, 9.5 before 9.5.2-P2, 9.6 before 9.6.1-P3, and 9.7.0 beta does not properly validate DNSSEC 1 NSEC and 2 NSEC3 records. CVE-2010-0097 Impact Remote attackers may be able to add the Authenticated Data AD flag to a forg...

K14316: BIND vulnerability CVE-2012-3817

Security Advisory Description ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a...

K7053: BIND 9 vulnerabilities - Dereferencing freed fetch context and DNSSEC Validation

Security Advisory Description Note : Versions that are not listed in this Solution have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the ...