CVE-2023-32682: falha de média gravidade em matrix-org synapse
Improper checks for deactivated users during login in synapse
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.4epss 0.8%
Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the `jwt_config.enabled` configuration setting. 2. The local password database is enabled via the `password_config.enabled` and `password_config.localdb_enabled` configuration settings *and* a user's password is updated via an admin API after a user is deactivated. Note that the local password database is enabled by default, but it is uncommon to set a user's password after they've been deactivated. Installations that are configured to only allow login via Single Sign-On (SSO) via CAS, SAML or OpenID Connect (OIDC); or via an external password provider (e.g. LDAP) are not affected. If not using JSON Web Tokens, ensure that deactivated users do not have a password set. This issue has been addressed in version 1.85.0. Users are advised to upgrade.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Produtos afetados
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Referências
https://github.com/matrix-org/synapse/pull/15624https://github.com/matrix-org/synapse/pull/15634https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33phttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2/https://matrix-org.github.io/synapse/latest/admin_api/user_admin_api.html#create-or-modify-accounthttps://matrix-org.github.io/synapse/latest/jwt.htmlhttps://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#password_config