CVE-2019-3463

CRITICAL 9.8CVE-2019-3463 · Published 06/02/2019 · updated 17/06/2026

In short

CVE-2019-3463 is a CRITICAL (CVSS 9.8) vulnerability affecting rssh (pizzashack).
Chance of exploitation in the next 30 days (EPSS): 4.9%, higher than 92.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
rssh pizzashack	`= 2.3.4`	No fix yet

Description

Insufficient sanitization of arguments 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.

References

seclists.org/fulldisclosure/2021/May/78 · Mailing List
securityfocus.com/bid/106839 · Third Party Advisory
lists.debian.org/debian-lts-announce/2019/02/msg00007.html · Mailing List
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557
security.gentoo.org/glsa/202007-29 · Third Party Advisory
tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable · Third Party Advisory
usn.ubuntu.com/3946-1 · Third Party Advisory

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