CVE-2009-4495: Input Validation
First published: Wed Jan 13 2010(Updated: )
Yaws 1.85 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Yaws | =1.85 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-4495?
CVE-2009-4495 has a high severity rating due to its potential to allow remote attackers to execute arbitrary commands.
How does CVE-2009-4495 affect Yaws 1.85?
CVE-2009-4495 affects Yaws 1.85 by allowing it to log non-printable characters without sanitization, leading to possible command execution.
How can I fix CVE-2009-4495?
To fix CVE-2009-4495, update Yaws to a version that properly sanitizes log entries to prevent special character exploitation.
Can CVE-2009-4495 be exploited over the network?
Yes, CVE-2009-4495 can be exploited over the network through specially crafted HTTP requests.
What potential impacts can result from exploiting CVE-2009-4495?
Exploiting CVE-2009-4495 can lead to unauthorized command execution and the alteration of window titles.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/author
- agent/references
- agent/severity
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/yaws
- canonical/yaws
- version/yaws/1.85