CVE-2009-0840

Public Exploit

Description

Heap-based buffer underflow in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to have an unknown impact via a negative value in the Content-Length HTTP header.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 2.56% Top 20%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory osgeo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.positronsecurity.com/advisories/2009-000.html exploit
http://www.securitytracker.com/id?1021952 vdb entry
http://www.securityfocus.com/archive/1/502271/100/0/threaded mailing list
http://secunia.com/advisories/34603 third party advisory
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00170.html vendor advisory
http://www.securityfocus.com/bid/34306 vdb entry
http://secunia.com/advisories/34520 third party advisory
http://www.debian.org/security/2009/dsa-1914 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49545 vdb entry
http://trac.osgeo.org/mapserver/ticket/2943 vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00147.html vendor advisory
http://lists.osgeo.org/pipermail/mapserver-users/2009-March/060600.html mailing list patch

Frequently Asked Questions

What is the severity of CVE-2009-0840?
CVE-2009-0840 has been scored as a critical severity vulnerability.
How to fix CVE-2009-0840?
To fix CVE-2009-0840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-0840 being actively exploited in the wild?
It is possible that CVE-2009-0840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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