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CVE-2008-1803

9.3 · HIGH

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unknown parameters that trigger a heap-based overflow.

Published May 12, 2008rdesktopCWE-189EPSS 6.74%

Overview

CVE-2008-1803 is a high-severity vulnerability affecting rdesktop rdesktop. It was published on May 12, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unknown parameters that trigger a heap-based overflow. NOTE: the role of the channel_process function was not specified by the original researcher.

Remediation

Check the references section for vendor advisories and patches from rdesktop. Update rdesktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflabs.idefense.com/intelligence/vulnerabilities/display.php?id=698Refrdesktop.cvs.sourceforge.net/rdesktop/rdesktop/rdesktop.c?r1=1.161&r2=1.162&pathrev=HEADRefsecunia.com/advisories/30118Refsecunia.com/advisories/30248Refsecunia.com/advisories/30713Refsecunia.com/advisories/31224Refsecunia.com/advisories/31928Refsecurity.gentoo.org/glsa/glsa-200806-04.xmlRefsourceforge.net/mailarchive/message.php?msg_name=20080511065217.GA24455%40cse.unsw.EDU.AURefsunsolve.sun.com/search/document.do?assetkey=1-26-240708-1

How CyberStrike helps

Frequently asked questions

What is CVE-2008-1803?

CVE-2008-1803 is a high-severity vulnerability affecting rdesktop rdesktop. It was published on May 12, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2008-1803?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-1803?

Check the references section for vendor advisories and patches from rdesktop. Update rdesktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-1803?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-1803 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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