CVE-2014-0476: Input Validation
First published: Sat Oct 25 2014(Updated: )
The slapper function in chkrootkit before 0.50 does not properly quote file paths, which allows local users to execute arbitrary code via a Trojan horse executable. NOTE: this is only a vulnerability when /tmp is not mounted with the noexec option.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| chkrootkit | <=0.49 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =13.10 | |
| Ubuntu | =14.04 |
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Reference Links
- http://osvdb.org/show/osvdb/107710
- http://packetstormsecurity.com/files/134484/Chkrootkit-Local-Privilege-Escalation.html
- http://www.chkrootkit.org/
- http://www.debian.org/security/2014/dsa-2945
- http://www.openwall.com/lists/oss-security/2014/06/04/9
- http://www.ubuntu.com/usn/USN-2230-1
- https://security.gentoo.org/glsa/201709-05
- https://www.exploit-db.com/exploits/38775/
Frequently Asked Questions
What is the severity of CVE-2014-0476?
CVE-2014-0476 has a medium severity due to its potential for local privilege escalation.
How do I fix CVE-2014-0476?
To fix CVE-2014-0476, upgrade chkrootkit to version 0.50 or later.
Which software is affected by CVE-2014-0476?
CVE-2014-0476 affects chkrootkit versions prior to 0.50 and certain versions of Ubuntu Linux.
Who can exploit CVE-2014-0476?
Local users with access to the system can exploit CVE-2014-0476 to execute arbitrary code.
Under what condition does CVE-2014-0476 become a vulnerability?
CVE-2014-0476 is only a vulnerability when the /tmp directory is not mounted with the noexec option.
- agent/references
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- collector/mitre-cve
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- agent/last-modified-date
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
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- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/chkrootkit
- canonical/chkrootkit
- version/chkrootkit/0.49
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/10.04
- version/ubuntu/12.04
- version/ubuntu/13.10
- version/ubuntu/14.04