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Vulnerability record · CVE-2005-3887 · published 29 November 2005

CVE-2005-3887: Gadu-gadu instant messenger vulnerability

GGadu Gadu · Gadu Gadu Instant Messenger

Gadu-Gadu 7.20 does not properly handle MS-DOS device names in filenames, which allows remote attackers to (1) cause a denial of service (hang) via an image filename of AUX: sent twice (hang), or (2) write to the LPT1 port via a filename of "LPT1:".

5.4 CVSS 2.0 Medium EPSS 1.9% · top 21.3%
5.4CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Gadu-Gadu 7.20 does not properly handle MS-DOS device names in filenames, which allows remote attackers to (1) cause a denial of service (hang) via an image filename of AUX: sent twice (hang), or (2) write to the LPT1 port via a filename of "LPT1:".

AV:N/AC:H/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0658.html Vendor Advisory
http://marc.info/?l=bugtraq&m=113261573023912&w=2
http://secunia.com/advisories/17597/ ExploitVendor Advisory
http://www.osvdb.org/21015
http://www.securityfocus.com/bid/15520/
https://exchange.xforce.ibmcloud.com/vulnerabilities/23148
http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0658.html Vendor Advisory
http://marc.info/?l=bugtraq&m=113261573023912&w=2
http://secunia.com/advisories/17597/ ExploitVendor Advisory
http://www.osvdb.org/21015
http://www.securityfocus.com/bid/15520/
https://exchange.xforce.ibmcloud.com/vulnerabilities/23148

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-1232Gadu-gadu instant messenger vulnerabilityStack-based buffer overflow in the code that sends images in Gadu-Gadu allows remote attackers to execute arbitrary code via a large image filename.EPSS 6.2%7.8CVE-2005-3888Gadu-gadu instant messenger vulnerabilityMemory leak in Gadu-Gadu 7.20 allows remote attackers to cause a denial of service via multiple DCC packets with a code other than 2 and a large size…EPSS 2.2%7.8CVE-2005-3890Gadu-gadu instant messenger vulnerabilityGadu-Gadu 7.20 allows remote attackers to cause a denial of service (crash and configuration loss) via a page with a large number of gg: URIs.EPSS 2.1%7.8CVE-2005-3891Gadu-gadu instant messenger vulnerabilityStack-based buffer overflow in Gadu-Gadu 7.20 allows remote attackers to cause a denial of service (crash) via an image filename between exactly 192 …EPSS 2.3%7.5CVE-2004-1229Gadu-gadu instant messenger vulnerabilityCross-site scripting vulnerability in the parser for Gadu-Gadu allows remote attackers to inject arbitrary web script or HTML via (1) http:// or (2) …EPSS 1.6%7.5CVE-2004-1676Gadu-gadu instant messenger vulnerabilityHeap-based buffer overflow in the image sending feature in Gadu-Gadu 6.0 build 149 allows remote attackers to execute arbitrary code via a crafted GG…EPSS 3.3%5.0CVE-2005-3892Gadu-gadu instant messenger vulnerabilityGadu-Gadu 7.20 allows remote attackers to eavesdrop on a user via a web page that accesses the EasycallLite.oce ActiveX control, which can initiate a…EPSS 1.4%5.0CVE-2004-1230Gadu-gadu instant messenger vulnerabilityGadu-Gadu allows remote attackers to gain sensitive information and read files from the _cache directory of other users via a DCC connection and a CT…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2005-3887), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.