Pi-hole FTLDNS < 5.25 Multiple DoS Vulnerabilities (KeyTrap)

Pi-hole FTLDNS is prone to multiple denial of service DoS vulnerabilities. SPDX-FileCopyrightText: 2024 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 CPE =...

Ubuntu 20.04 LTS : Bind vulnerabilities (USN-6642-1)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6642-1 advisory. Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker...

Medium: unbound

Issue Overview: A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by queryin...

Fedora 39 : dnsmasq (2024-e24211eff0)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-e24211eff0 advisory. https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html Tenable has extracted the preceding description block directly from the...

Fedora 39 : bind / bind-dyndb-ldap (2024-21310568fa)

The remote Fedora 39 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2024-21310568fa advisory. Security Fixes - Validating DNS messages containing a lot of DNSSEC signatures could cause excessive CPU load, leading to a denial-of-service...

Denial Of Service

dnsmasq is vulnerable to Denial of Service. The vulnerability due to KeyTrap issue when dealing with a zone that contains numerous DNSKEY DNS Key and RRSIG Resource Record Signature records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG...

Updated dnsmasq packages fix security vulnerabilities

This updated dnsmasq package fixes security issues: Certain DNSSEC aspects of the DNS protocol allow a remote attacker to trigger a denial of service via extreme consumption of resource caused by DNSSEC query or response: - KeyTrap - Extreme CPU consumption in DNSSEC validator. CVE-2023-50387 -...

MGASA-2024-0041 Updated dnsmasq packages fix security vulnerabilities

This updated dnsmasq package fixes security issues: Certain DNSSEC aspects of the DNS protocol allow a remote attacker to trigger a denial of service via extreme consumption of resource caused by DNSSEC query or response: - KeyTrap - Extreme CPU consumption in DNSSEC validator. CVE-2023-50387 -...

Fedora 39 : unbound (2024-2e26eccfcb)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-2e26eccfcb advisory. - https://nlnetlabs.nl/projects/unbound/security-advisories/ - Secure again control channel. Tenable has extracted the preceding description block...

Debian dsa-5626 : pdns-recursor - security update

The remote Debian 12 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5626 advisory. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5626-1...

SUSE CVE-2023-4408

The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected named instance by exploiting this flaw. This issue affects bot...

SUSE SLED15 / SLES15 Security Update : openssl-3 (SUSE-SU-2024:0518-1)

The remote SUSE Linux SLED15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0518-1 advisory. - CVE-2023-6129: Fixed vector register clobbering on PowerPC. bsc1218690 - CVE-2023-6237: Fixed excessive time spent...

FreeBSD : powerdns-recursor -- Multiple Vulnerabilities (e15ba624-cca8-11ee-84ca-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the e15ba624-cca8-11ee-84ca-b42e991fc52e advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs...

Update of microcode_ctl

Update AMD CPU microcode to 2023-10-19: - Addition AMD CPU microcode for processor family 19h: sig 0x00a10f12, sig 0x00aa0f02, sig 0x00aa0f01, sig 0x00a10f11; - Update AMD CPU microcode for processor family 17h: sig 0x00830f10...

Updated bind packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Parsing large DNS messages may cause excessive CPU load. CVE-2023-4408 Querying RFC 1918 reverse zones may cause an assertion failure when "nxdomain-redirect" is enabled. CVE-2023-5517 Enabling both DNS64 and serve-stale may cause an assertion...

MGASA-2024-0038 Updated bind packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Parsing large DNS messages may cause excessive CPU load. CVE-2023-4408 Querying RFC 1918 reverse zones may cause an assertion failure when "nxdomain-redirect" is enabled. CVE-2023-5517 Enabling both DNS64 and serve-stale may cause an assertion...

Internet Bug Bounty: http: Reading unprocessed HTTP request with unbounded chunk extension allows DoS attacks

A vulnerability in Node.js HTTP servers allows an attacker to send a specially crafted HTTP request with chunked encoding, leading to resource exhaustion and denial of service DoS. The server reads an unbounded number of bytes from a single connection, exploiting the lack of limitations on chunk...

Scrapy vulnerable to ReDoS via XMLFeedSpider

Impact The following parts of the Scrapy API were found to be vulnerable to a ReDoS attack: - The XMLFeedSpider class or any subclass that uses the default node iterator: iternodes, as well as direct uses of the scrapy.utils.iterators.xmliter function. - Scrapy 2.6.0 to 2.11.0: The openinbrowser...

Denial Of Service

dnsmasq is vulnerable to Denial Of Service. The attacker can exploit this vulnerability by sending crafted DNSSEC responses to the target system, causing it to consume excessive CPU resources...

FreeBSD : DNSSEC validators -- denial-of-service/CPU exhaustion from KeyTrap and NSEC3 vulnerabilities (21a854cc-cac1-11ee-b7a7-353f1e043d9a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 21a854cc-cac1-11ee-b7a7-353f1e043d9a advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attacke...