GHSA-3H7Q-RFH9-XM4V Synapse V2 state resolution weakness allows Denial of Service (DoS)

Impact A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in how the auth chain cover index is calculated. This can induce high CPU consumption and accumulate excessive data in the database ...

Synapse V2 state resolution weakness allows Denial of Service (DoS)

Impact A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in how the auth chain cover index is calculated. This can induce high CPU consumption and accumulate excessive data in the database ...

CVE-2024-31208

Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induce high CPU consumption and accumulate...

PYSEC-2024-50

Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induce high CPU consumption and accumulate...

CVE-2024-31208

CVE-2024-31208 affects Synapse (Matrix homeserver) before 1.105.1. A remote matrix user sharing a room with such servers can dispatch crafted events to exploit the V2 state resolution algorithm, causing high CPU usage and database bloat leading to a denial of service. Impact is limited to servers...

CVE-2024-31208

Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induce high CPU consumption and accumulate...

PT-2024-23851 · Synapse +2 · Synapse +2

Name of the Vulnerable Software and Affected Versions: Synapse versions prior to 1.105.1 Description: A remote Matrix user with malicious intent, sharing a room with Synapse instances, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induc...

PT-2024-5034

Name of the Vulnerable Software and Affected Versions: Bouncy Castle Java BC Java versions 1.78 and earlier Bouncy Castle Java LTS BC Java LTS versions 2.73.6 and earlier Bouncy Castle FIPS Java API BC-FJA versions 1.0.2.5 and earlier Bouncy Castle C .Net versions 2.3.1 and earlier Bamboo Data...

Fedora 39 : jose (2024-a94b67a7b2)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-a94b67a7b2 advisory. Security fix for CVE-2023-50967 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus h...

Amazon Linux 2 : dnsmasq (ALASDNSMASQ-2024-002)

The version of dnsmasq installed on the remote host is prior to 2.90-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DNSMASQ-2024-002 advisory. Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a denial of...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 9 : unbound (RHSA-2024:1801)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1801 advisory. The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: bind9: KeyTrap - Extreme CPU...

Oracle Linux 8 : bind / and / dhcp (ELSA-2024-1782)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1782 advisory. - Speed up parsing of DNS messages with many different names CVE-2023-4408 - Prevent increased CPU consumption in DNSSEC validator CVE-2023-50387...

AlmaLinux 8 : bind and dhcp (ALSA-2024:1782)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:1782 advisory. - The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS...

AlmaLinux 8 : bind9.16 (ALSA-2024:1781)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:1781 advisory. - The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS...

Oracle Linux 9 : bind (ELSA-2024-1789)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1789 advisory. - Add downstream change complementing CVE-2023-50387 - Prevent increased CPU load on large DNS messages CVE-2023-4408 - Prevent assertion failure when...

FreeBSD : jose -- DoS vulnerability (02be46c1-f7cc-11ee-aa6b-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 02be46c1-f7cc-11ee-aa6b-b42e991fc52e advisory. - latchset jose through version 11 allows attackers to cause a denial of service CPU consumption via a...

RHEL 9 : bind (RHSA-2024:1789)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1789 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

bind and dhcp security update

bind 32:9.11.36-11.1 - Speed up parsing of DNS messages with many different names CVE-2023-4408 - Prevent increased CPU consumption in DNSSEC validator CVE-2023-50387 CVE-2023-50868 - Do not use headerprev in expirelruheaders dhcp 4.3.6 - Change bug tracker path 12:4.3.6-49.1 - Rebuild because of...