CVE-2010-4341 Denial of service in n/a

Low 2.1 Published Updated

Local attackers can cause a denial of service in SSSD PAM responder via crafted packets, preventing logins.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2010-4341?

CVE-2010-4341 is a low-severity denial of service vulnerability in n/a, published on 25 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The pam_parse_in_data_v2 function in src/responder/pam/pamsrv_cmd.c in the PAM responder in SSSD 1.5.0, 1.4.x, and 1.3 allows local users to cause a denial of service (infinite loop, crash, and login prevention) via a crafted packet.

Weakness: CWE-399

Which versions are affected by CVE-2010-4341?

It affects 2 products.

Linux distribution packages (20)
sssd Red Hat:enterprise_linux:5::clientAll versions0:1.5.1-37.el5
sssd-client Red Hat:enterprise_linux:5::clientAll versions0:1.5.1-37.el5
sssd-debuginfo Red Hat:enterprise_linux:5::clientAll versions0:1.5.1-37.el5
sssd-tools Red Hat:enterprise_linux:5::clientAll versions0:1.5.1-37.el5
sssd Red Hat:enterprise_linux:5::serverAll versions0:1.5.1-37.el5
sssd-client Red Hat:enterprise_linux:5::serverAll versions0:1.5.1-37.el5
sssd-debuginfo Red Hat:enterprise_linux:5::serverAll versions0:1.5.1-37.el5
sssd-tools Red Hat:enterprise_linux:5::serverAll versions0:1.5.1-37.el5
sssd Red Hat:enterprise_linux:6::clientAll versions0:1.5.1-34.el6
sssd-client Red Hat:enterprise_linux:6::clientAll versions0:1.5.1-34.el6
sssd-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:1.5.1-34.el6
sssd-tools Red Hat:enterprise_linux:6::clientAll versions0:1.5.1-34.el6
sssd Red Hat:enterprise_linux:6::serverAll versions0:1.5.1-34.el6
sssd-client Red Hat:enterprise_linux:6::serverAll versions0:1.5.1-34.el6
sssd-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:1.5.1-34.el6
sssd-tools Red Hat:enterprise_linux:6::serverAll versions0:1.5.1-34.el6
sssd Red Hat:enterprise_linux:6::workstationAll versions0:1.5.1-34.el6
sssd-client Red Hat:enterprise_linux:6::workstationAll versions0:1.5.1-34.el6
sssd-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:1.5.1-34.el6
sssd-tools Red Hat:enterprise_linux:6::workstationAll versions0:1.5.1-34.el6

Products include Fedorahosted Sssd, Fedoraproject Sssd.

How do I fix CVE-2010-4341?

Apply the vendor's patch.

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-2010-4341 being exploited?

There is no known exploitation of CVE-2010-4341 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2010-4341, GHSA-qfqv-cr9x-27pg, RHSA-2011:0560, RHSA-2011:0975.

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