CVE-2009-0843: Input Validation

Published Mar 31, 2009
·
Updated

The msLoadQuery function in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to determine the existence of arbitrary files via a full pathname in the queryfile parameter, which triggers different error messages depending on whether this pathname exists.

Affected Software

42 affected components
OSGeo MapServer=4.2.0-beta1
OSGeo MapServer=4.4.0
OSGeo MapServer=4.4.0-beta1
OSGeo MapServer=4.4.0-beta2
OSGeo MapServer=4.4.0-beta3
OSGeo MapServer=4.6.0
OSGeo MapServer=4.6.0-beta1
OSGeo MapServer=4.6.0-beta2
OSGeo MapServer=4.6.0-beta3
OSGeo MapServer=4.6.0-rc1
OSGeo MapServer=4.8.0-beta1
OSGeo MapServer=4.8.0-beta2
OSGeo MapServer=4.8.0-beta3
OSGeo MapServer=4.8.0-rc1
OSGeo MapServer=4.8.0-rc2
OSGeo MapServer=4.10.0
OSGeo MapServer=4.10.0-beta1
OSGeo MapServer=4.10.0-beta2
OSGeo MapServer=4.10.0-beta3
OSGeo MapServer=4.10.0-rc1
OSGeo MapServer=4.10.1
OSGeo MapServer=4.10.2
OSGeo MapServer=4.10.3
OSGeo MapServer=5.0.0
OSGeo MapServer=5.0.0-beta1
OSGeo MapServer=5.0.0-beta2
OSGeo MapServer=5.0.0-beta3
OSGeo MapServer=5.0.0-beta4
OSGeo MapServer=5.0.0-beta5
OSGeo MapServer=5.0.0-beta6
OSGeo MapServer=5.0.0-rc1
OSGeo MapServer=5.0.0-rc2
OSGeo MapServer=5.2.0
OSGeo MapServer=5.2.0-beta1
OSGeo MapServer=5.2.0-beta2
OSGeo MapServer=5.2.0-beta3
OSGeo MapServer=5.2.0-beta4
OSGeo MapServer=5.2.0-rc1
OSGeo MapServer=5.2.1
Umn Mapserver=4.0
Umn Mapserver=4.0-beta1
Umn Mapserver=4.0-beta2

Event History

Mar 31, 2009
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Data Sourced
via NVD·06:24 PM
RemedyDescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2009-0843?

CVE-2009-0843 is classified as a moderate severity vulnerability due to the information disclosure it can cause.

2

How do I fix CVE-2009-0843?

To fix CVE-2009-0843, upgrade to MapServer version 4.10.4 or higher, or 5.2.2 or higher.

3

What causes CVE-2009-0843?

CVE-2009-0843 is caused by the msLoadQuery function allowing remote attackers to ascertain the existence of files via error messages.

4

Which software versions are affected by CVE-2009-0843?

CVE-2009-0843 affects MapServer versions 4.x before 4.10.4 and 5.x before 5.2.2.

5

Is CVE-2009-0843 a critical vulnerability?

No, CVE-2009-0843 is not considered critical; it primarily poses a risk of information disclosure.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203