First published: Tue Mar 31 2009(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
MapServer | =4.0 | |
MapServer | =4.0-beta1 | |
MapServer | =4.0-beta2 | |
MapServer | =4.2.0-beta1 | |
MapServer | =4.4.0-beta1 | |
MapServer | =4.4.0-beta2 | |
MapServer | =4.6.0-beta1 | |
MapServer | =4.6.0-beta2 | |
MapServer | =4.6.0-beta3 | |
MapServer | =4.8.0-beta2 | |
MapServer | =4.8.0-beta1 | |
MapServer | =4.8.0-beta3 | |
MapServer | =4.8.0-rc2 | |
MapServer | =4.8.0-rc1 | |
MapServer | =4.10.0 | |
MapServer | =4.10.0-beta1 | |
MapServer | =4.10.0-rc1 | |
MapServer | =4.10.0-beta3 | |
MapServer | =4.10.0-beta2 | |
MapServer | =4.10.2 | |
MapServer | =4.10.1 | |
MapServer | =4.10.3 | |
MapServer | =5.0.0-beta5 | |
MapServer | =5.0.0-beta6 | |
MapServer | =5.0.0-beta3 | |
MapServer | =5.0.0-beta4 | |
MapServer | =5.0.0-beta1 | |
MapServer | =5.0.0-beta2 | |
MapServer | =5.0.0-rc1 | |
MapServer | =5.2.0 | |
MapServer | =5.2.0-beta2 | |
MapServer | =5.2.0-beta1 | |
MapServer | =5.2.0-beta3 | |
MapServer | =5.2.0-beta4 | |
MapServer | =5.2.0-rc1 | |
MapServer | =5.2.1 | |
MapServer | =4.6.0 | |
MapServer | =4.6.0-rc1 | |
MapServer | =5.0.0-rc2 | |
MapServer | =5.0.0 | |
MapServer | =4.4.0 | |
MapServer | =4.4.0-beta3 |
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CVE-2009-0840 has a high severity rating due to its potential to cause buffer underflows, leading to denial of service or remote code execution.
To fix CVE-2009-0840, upgrade to MapServer version 5.2.2 or later or update to the latest stable version that has addressed this vulnerability.
CVE-2009-0840 affects MapServer versions 4.x prior to 4.10.4 and 5.x prior to 5.2.2.
CVE-2009-0840 is classified as a heap-based buffer underflow vulnerability.
Yes, CVE-2009-0840 can be exploited remotely by attackers through manipulated HTTP headers.