Input validation error in rssh - CVE-2012-2252
Published: January 11, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43211
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-2252
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: rssh.sourceforge.net
Affected software:
rssh
rssh
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via the --rsh command line option. Per: http://cwe.mitre.org/data/definitions/184.html 'CWE-184: Incomplete Blacklist'
How to mitigate CVE-2012-2252
Install update from vendor's website.
Sources
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0101.html
- http://osvdb.org/87926
- http://secunia.com/advisories/51307
- http://secunia.com/advisories/51343
- http://www.debian.org/security/2012/dsa-2578
- http://www.openwall.com/lists/oss-security/2012/11/27/15
- http://www.openwall.com/lists/oss-security/2012/11/28/2
- http://www.openwall.com/lists/oss-security/2012/11/28/3
- http://www.securityfocus.com/bid/56708
- https://bugzilla.redhat.com/show_bug.cgi?id=880177
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80335