CVE-2008-1801

rdesktop 1.5.0 - Integer Underflow in iso_recv_msg Function

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-1801. PoCs published by Guido Landi.

AI-analyzed exploit summary This exploit targets a vulnerability in Microsoft Windows RDP (CVE-2008-1801) by sending a malformed TPKT packet with an oversized length field, leading to a denial-of-service (DoS) condition. The code sets up a listener on port 3389 and sends the crafted payload to any connecting client.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Guido Landi · perldoslinux
https://www.exploit-db.com/exploits/5561

This exploit targets a vulnerability in Microsoft Windows RDP (CVE-2008-1801) by sending a malformed TPKT packet with an oversized length field, leading to a denial-of-service (DoS) condition. The code sets up a listener on port 3389 and sends the crafted payload to any connecting client.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows RDP (pre-patch for CVE-2008-1801)
No auth needed
Prerequisites: Network access to target's RDP port (3389)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (29)

Core 29
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/31224
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5561
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/30118
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-646-1
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200806-04.xml
Vendor Advisory vendor-advisory x_refsource_fedora
http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00270.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/30713
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/42272
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1019990
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2008/dsa-1573
Vendor Advisory vendor-advisory x_refsource_fedora
http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00244.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2008-0725.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/2403
Vendor Advisory vendor-advisory x_refsource_fedora
http://www.redhat.com/archives/fedora-package-announce/2008-May/msg00296.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/29097
Vendor Advisory vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-240708-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/30380
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/1467/references
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2008:101
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11570
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2008-0576.html
Third Party Advisory third-party-advisory x_refsource_idefense
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=696
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2008-0575.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/30248
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/31928
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/31222

Scores

EPSS 0.1313
EPSS Percentile 95.9%

Details

CWE
CWE-189
Status published
Products (1)
rdesktop/rdesktop 1.5.0
Published May 12, 2008
Tracked Since Feb 18, 2026