CVE-2011-1140 Denial of service in n/a

Medium 4.3 Published Updated

Remote attackers can cause a denial of service in Wireshark via crafted SMB or CLDAP packets triggering infinite recursion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2011-1140?

CVE-2011-1140 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 3 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-399

Which versions are affected by CVE-2011-1140?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2011-1140?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2011-1140 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1140 exists.

Public exploit code: 1 Metasploit module.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-1140, GHSA-rjw2-p6xh-g64w.

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