Multiple vulnerabilities in rssh.sourceforge.net rssh

Published: 2013-01-11 | Updated: 2020-08-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2012-2251 CVE-2012-2252
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	rssh Server applications / Remote management servers, RDP, SSH
Vendor	rssh.sourceforge.net

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU43210

Risk: Medium

CVSSv4.0: 1.2 [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-2012-2251

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

rssh 2.3.2, as used by Debian, Fedora, and others, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via a (1) "-e" or (2) "--" command line option.

Mitigation

Install update from vendor's website.

Vulnerable software versions

rssh: 2.3.2

CPE2.3

cpe:2.3:a:rssh_sourceforge_net:rssh:2.3.2:*:*:*:*:*:*:*

External links

https://archives.neohapsis.com/archives/bugtraq/2012-11/0101.html
https://secunia.com/advisories/51307
https://www.debian.org/security/2012/dsa-2578
https://www.openwall.com/lists/oss-security/2012/11/27/15
https://www.securityfocus.com/bid/56708
https://bugzilla.redhat.com/show_bug.cgi?id=877279
https://exchange.xforce.ibmcloud.com/vulnerabilities/80334

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU43211