CVE-2019-3463

high-risk

Published 2019-02-06

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.

Do I need to act?

12.8% chance of exploitation in next 30 days

EPSS score — higher than 87% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (10)

Rssh

Debian Linux

Fedora

Ubuntu Linux

Affected Vendors

Debian Pizzashack Canonical Fedoraproject

References (20)

Mailing List http://seclists.org/fulldisclosure/2021/May/78

Third Party Advisory http://www.securityfocus.com/bid/106839

Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00007.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202007-29

Third Party Advisory https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-i...

Third Party Advisory https://usn.ubuntu.com/3946-1/

Third Party Advisory https://www.debian.org/security/2019/dsa-4382

Mailing List http://seclists.org/fulldisclosure/2021/May/78

Third Party Advisory http://www.securityfocus.com/bid/106839

Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00007.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202007-29

Third Party Advisory https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-i...

Third Party Advisory https://usn.ubuntu.com/3946-1/

Third Party Advisory https://www.debian.org/security/2019/dsa-4382

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 12/34 · Low

Exposure 16/34 · Moderate