Test Kennung:	1.3.6.1.4.1.25623.1.1.10.2022.0436
Kategorie:	Mageia Linux Local Security Checks
Titel:	Mageia: Security Advisory (MGASA-2022-0436)
Zusammenfassung:	The remote host is missing an update for the 'dropbear' package(s) announced via the MGASA-2022-0436 advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'dropbear' package(s) announced via the MGASA-2022-0436 advisory. Vulnerability Insight: Updated dropbear package fixes a security vulnerability in dbclient:. Due to a non-RFC-compliant check of the available authentication methods in the client-side SSH code, it is possible for an SSH server to change the login process in its favor. This attack can bypass additional security measures such as FIDO2 tokens or SSH-Askpass. Thus, it allows an attacker to abuse a forwarded agent for logging on to another server unnoticed. The fix adds a new option, DisableTrivialAuth, to dbclient to disable this attack vector. Invoke dbclient as 'dbclient -o DisableTrivialAuth=yes localhost ...' to enable this mitigation on each dbclient invocation. Affected Software/OS: 'dropbear' package(s) on Mageia 8. Solution: Please install the updated package(s). CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2021-36369 https://github.com/mkj/dropbear/pull/128 https://github.com/mkj/dropbear/releases https://github.com/mkj/dropbear/releases/tag/DROPBEAR_2022.82 https://lists.debian.org/debian-lts-announce/2022/11/msg00015.html
Copyright	Copyright (C) 2022 Greenbone AG

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