CVE-2010-3711 Null dereference in n/a

Medium 4.0 Published Updated

Remote authenticated users can crash Pidgin via crafted messages due to improper validation of base64 decoding return values.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2010-3711?

CVE-2010-3711 is a medium-severity vulnerability in Pidgin Pidgin, published on 27 Oct 2010. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

libpurple in Pidgin before 2.7.4 does not properly validate the return value of the purple_base64_decode function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a crafted message, related to the plugins for MSN, MySpaceIM, XMPP, and Yahoo! and the NTLM authentication support.

Weakness: CWE-20

Which versions are affected by CVE-2010-3711?

It affects 1 product.

Linux distribution packages (33)
finch Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
finch-devel Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
libpurple Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
libpurple-devel Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
libpurple-perl Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
libpurple-tcl Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
pidgin Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
pidgin-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
pidgin-devel Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
pidgin-docs Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
pidgin-perl Red Hat:enterprise_linux:6::clientAll versions0:2.6.6-6.el6_0
finch Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
finch-devel Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
libpurple Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
libpurple-devel Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
libpurple-perl Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
libpurple-tcl Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
pidgin Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
pidgin-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
pidgin-devel Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
pidgin-docs Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
pidgin-perl Red Hat:enterprise_linux:6::serverAll versions0:2.6.6-6.el6_0
finch Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
finch-devel Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
libpurple Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
libpurple-devel Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
libpurple-perl Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
libpurple-tcl Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
pidgin Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
pidgin-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
pidgin-devel Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
pidgin-docs Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0
pidgin-perl Red Hat:enterprise_linux:6::workstationAll versions0:2.6.6-6.el6_0

Products include Pidgin Pidgin.

How do I fix CVE-2010-3711?

Upgrade to a fixed version.

Is CVE-2010-3711 being exploited?

There is no known exploitation of CVE-2010-3711 in the wild and no public exploit code.

All Pidgin Pidgin vulnerabilities

Sources

Also known as DEBIAN-CVE-2010-3711, GHSA-hc55-4m8w-x8c2, RHSA-2010:0890.

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