CVE-2011-1140

Wireshark 1.0.x 1.2.0-1.2.14 1.4.0-1.4.3 - Denial of Service via SMB or CLDAP Packet

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-1140. Includes Metasploit module auxiliary/dos/wireshark/cldap.

AI-analyzed exploit summary This Metasploit module exploits a denial-of-service (DoS) vulnerability in Wireshark's CLDAP dissector by sending a malformed UDP packet, causing infinite recursion. The payload is a crafted CLDAP packet designed to trigger the vulnerability.

Description

Multiple stack consumption vulnerabilities in the dissect_ms_compressed_string and dissect_mscldap_string functions in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allow remote attackers to cause a denial of service (infinite recursion) via a crafted (1) SMB or (2) Connection-less LDAP (CLDAP) packet.

Exploits (1)

metasploit WORKING POC
rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/wireshark/cldap.rb

This Metasploit module exploits a denial-of-service (DoS) vulnerability in Wireshark's CLDAP dissector by sending a malformed UDP packet, causing infinite recursion. The payload is a crafted CLDAP packet designed to trigger the vulnerability.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Wireshark (versions affected by CVE-2011-1140)
No auth needed
Prerequisites: Network access to the target system · Wireshark with vulnerable CLDAP dissector
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (25)

Core 25
Core References
Various Sources vendor-advisory x_refsource_suse
https://hermes.opensuse.org/messages/8086844
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/43759
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055364.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055664.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0747
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/44169
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0626
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/43795
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/215900
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14715
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-0370.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0719
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055650.html
Vendor Advisory x_refsource_confirm
http://www.wireshark.org/security/wnpa-sec-2011-04.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0622
Vendor Advisory x_refsource_confirm
http://www.wireshark.org/security/wnpa-sec-2011-03.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-0369.html
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:044
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1025148
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2011/dsa-2201
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/43821

Scores

EPSS 0.3077
EPSS Percentile 96.9%

Details

CWE
CWE-399
Status published
Products (37)
wireshark/wireshark 1.0
wireshark/wireshark 1.0.0
wireshark/wireshark 1.0.1
wireshark/wireshark 1.0.2
wireshark/wireshark 1.0.3
wireshark/wireshark 1.0.4
wireshark/wireshark 1.0.5
wireshark/wireshark 1.0.6
wireshark/wireshark 1.0.7
wireshark/wireshark 1.0.8
... and 27 more
Published Mar 03, 2011
Tracked Since Feb 18, 2026