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CVE-2019-3464

CVE-2019-3464

EPSS 4.7%
Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
Affected products
Debian GNU/Linux · rssh

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References
http://seclists.org/fulldisclosure/2021/May/78https://lists.debian.org/debian-lts-announce/2019/02/msg00007.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557/https://security.gentoo.org/glsa/202007-29https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/https://usn.ubuntu.com/3946-1/https://www.debian.org/security/2019/dsa-4382http://www.securityfocus.com/bid/106839