CVE-2012-2251: Input Validation
First published: Fri Jan 11 2013(Updated: )
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.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/rssh | ||
| Pizzashack Rssh | =2.3.2 | |
| Debian | ||
| Fedora |
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Reference Links
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0101.html
- http://secunia.com/advisories/51307
- http://www.debian.org/security/2012/dsa-2578
- http://www.openwall.com/lists/oss-security/2012/11/27/15
- http://www.securityfocus.com/bid/56708
- https://bugzilla.redhat.com/show_bug.cgi?id=877279
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80334
- https://security-tracker.debian.org/tracker/CVE-2012-2251
Frequently Asked Questions
What is the severity of CVE-2012-2251?
CVE-2012-2251 has a medium severity rating allowing local users to bypass restricted shell access.
How do I fix CVE-2012-2251?
To fix CVE-2012-2251, upgrade to a version of rssh that is not affected, specifically above 2.3.2.
Who is affected by CVE-2012-2251?
CVE-2012-2251 affects users running rssh version 2.3.2 on Debian, Fedora, and similar systems.
What operation allows the bypass in CVE-2012-2251?
The bypass in CVE-2012-2251 occurs when using the "-e" or "--" command line option with enabled rsync protocol.
Can remote users exploit CVE-2012-2251?
No, CVE-2012-2251 is a local privilege escalation vulnerability that cannot be exploited remotely.
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- collector/mitre-cve
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- package-manager/debian
- vendor/pizzashack
- canonical/pizzashack rssh
- version/pizzashack rssh/2.3.2
- vendor/debian
- canonical/debian debian linux
- vendor/fedoraproject
- canonical/fedoraproject fedora