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Critical severity · published Feb 6, 2019
CVE-2019-3463
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,…
9.8
CVSS
4.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.9% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RS
rssh · Debian GNU/Linux
All versions before 2.3.4-5+deb9u2 and 2.3.4-10 · source: vendor, NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
29; 30; 31 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
Affected product
RS
rssh
Debian GNU/Linux
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3463
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
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557/
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