Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pizzashack | Rssh | 2.3.4 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 29 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2021/May/78Mailing ListNot ApplicableThird Party Advisory
- http://www.securityfocus.com/bid/106839Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00007.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202007-29Third Party Advisory
- https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-iMailing ListThird Party Advisory
- https://usn.ubuntu.com/3946-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4382Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/78Mailing ListNot ApplicableThird Party Advisory
- http://www.securityfocus.com/bid/106839Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00007.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-3464?
CVE-2019-3464 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, resultin...
How severe is CVE-2019-3464?
CVE-2019-3464 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-3464?
Check the references section above for vendor advisories and patch information. Affected products include: Pizzashack Rssh, Debian Debian Linux, Fedoraproject Fedora, Canonical Ubuntu Linux.