CVE-2008-4640: Input Validation
First published: Tue Oct 21 2008(Updated: )
The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final "z" character is replaced by a "t" character or (2) a final "t" character is replaced by a "z" character.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jhead | <=2.82 | |
| Jhead | =1.2 | |
| Jhead | =1.3 | |
| Jhead | =1.4 | |
| Jhead | =1.5 | |
| Jhead | =1.6 | |
| Jhead | =1.7 | |
| Jhead | =1.8 | |
| Jhead | =1.9 | |
| Jhead | =2.0 | |
| Jhead | =2.1 | |
| Jhead | =2.2 | |
| Jhead | =2.3 | |
| Jhead | =2.4 | |
| Jhead | =2.4-1 | |
| Jhead | =2.4-2 | |
| Jhead | =2.5 | |
| Jhead | =2.6 | |
| Jhead | =2.7 | |
| Jhead | =2.8 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2008-4640?
CVE-2008-4640 is classified as a moderate severity vulnerability due to its potential for local users to delete arbitrary files.
How do I fix CVE-2008-4640?
To fix CVE-2008-4640, update jhead to version 2.85 or later, which addresses this vulnerability.
Who is affected by CVE-2008-4640?
CVE-2008-4640 affects jhead versions 2.84 and earlier, as well as all versions up to 1.9 inclusive.
What are the implications of CVE-2008-4640?
The implications of CVE-2008-4640 include the ability for an attacker with local access to delete files, potentially leading to data loss.
Is there a known exploit for CVE-2008-4640?
Yes, exploitation of CVE-2008-4640 requires local access and involves manipulating the input filename to delete files.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/sentex
- canonical/jhead
- version/jhead/2.82
- version/jhead/1.2
- version/jhead/1.3
- version/jhead/1.4
- version/jhead/1.5
- version/jhead/1.6
- version/jhead/1.7
- version/jhead/1.8
- version/jhead/1.9
- version/jhead/2.0
- version/jhead/2.1
- version/jhead/2.2
- version/jhead/2.3
- version/jhead/2.4
- version/jhead/2.4-1
- version/jhead/2.4-2
- version/jhead/2.5
- version/jhead/2.6
- version/jhead/2.7
- version/jhead/2.8