CVE-2009-0843

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-03-31 · updated 2026-06-16
Weakness: CWE-20

Description

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 products

MapServer: 4.2.0-beta1, 4.4.0, 4.4.0-beta1, 4.4.0-beta2, 4.4.0-beta3, 4.6.0 (+33)
Umn Mapserver: 4.0, 4.0-beta1, 4.0-beta2

References

http://lists.osgeo.org/pipermail/mapserver-users/2009-March/060600.html
http://secunia.com/advisories/34520
http://secunia.com/advisories/34603
http://trac.osgeo.org/mapserver/ticket/2939
http://www.debian.org/security/2009/dsa-1914
http://www.positronsecurity.com/advisories/2009-000.html
http://www.securityfocus.com/archive/1/502271/100/0/threaded
http://www.securityfocus.com/bid/34306
http://www.securitytracker.com/id?1021952
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00147.html
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00170.html
http://lists.osgeo.org/pipermail/mapserver-users/2009-March/060600.html

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