PT-2023-6464 · Synapse+1 · Synapse+1

Reivilibre · Publicado 2023-09-26 · Atualizado 2024-06-15 · CVE-2023-45129

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Média

Vetor base

AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Synapse versions prior to 1.94.0

Description The issue is related to a malicious server ACL event that can impact performance temporarily or permanently, leading to a persistent denial of service. Homeservers running on a closed federation are not affected. The vulnerability is associated with unregulated resource distribution.

Recommendations For Synapse versions prior to 1.94.0, upgrade to Synapse 1.94.0 or later. As a temporary workaround, rooms with malicious server ACL events can be purged and blocked using the admin API.

Exploit

Correção

DoS

Allocation of Resources Without Limits

Enumeração de Fraquezas

CWE-770

Identificadores relacionados

ALT-PU-2024-3315

BDU:2023-07183

CVE-2023-45129

GHSA-5CHR-WJW5-3GQ4

OPENSUSE-SU-2024:13320-1

PYSEC-2023-199

Produtos afetados

Alt Linux

Synapse

Referências · 28

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45129.json · Exploit
• https://github.com/matrix-org/synapse/pull/16360 · Aviso do Fabricante
• https://github.com/matrix-org/synapse/security/advisories/GHSA-5chr-wjw5-3gq4 · Aviso do Fabricante
• https://github.com/matrix-org/synapse/commit/f84da3c32ec74cf054e2fd6d10618aa4997cffaa · Nota
• https://github.com/matrix-org/synapse · Nota
• https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-199.yaml · Nota
• https://matrix-org.github.io/synapse/latest/admin_api/rooms.html#version-2-new-version · Nota
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/WRO4MPQ6HOXIUZM6RJP6VTCTMV7RD2T3 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2023-45129.html · Nota
• https://t.me/cibsecurity/72028 · Publicação no Telegram
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY · Aviso do Fabricante
• https://osv.dev/vulnerability/openSUSE-SU-2024:13320-1 · Aviso do Fabricante
• https://t.me/cvenotify/59608 · Publicação no Telegram
• https://security.gentoo.org/glsa/202401-12 · Nota
• https://access.redhat.com/security/cve/cve-2023-45129 · Nota