CVE-2014-3560 Memory corruption in n/a

High 7.9 Published Updated

Remote attackers can execute arbitrary code on Samba servers via a heap memory corruption vulnerability in the NetBIOS name services daemon.

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

What is CVE-2014-3560?

CVE-2014-3560 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 6 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

NetBIOS name services daemon (nmbd) in Samba 4.0.x before 4.0.21 and 4.1.x before 4.1.11 allows remote attackers to execute arbitrary code via unspecified vectors that modify heap memory, involving a sizeof operation on an incorrect variable in the unstrcpy macro in string_wrappers.h.

Weakness: CWE-94

Which versions are affected by CVE-2014-3560?

It affects 3 products.

Linux distribution packages (40)
libsmbclient Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
libsmbclient-devel Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
libwbclient Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
libwbclient-devel Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-client Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-common Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-dc Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-dc-libs Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-devel Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-libs Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-pidl Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-python Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-test Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-test-devel Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-vfs-glusterfs Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-winbind Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-winbind-clients Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-winbind-krb5-locator Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
samba-winbind-modules Red Hat:enterprise_linux:7::clientAll versions0:4.1.1-37.el7_0
libsmbclient Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
libsmbclient-devel Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
libwbclient Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
libwbclient-devel Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-client Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-common Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-dc Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-dc-libs Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-devel Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-libs Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-pidl Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-python Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-test Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-test-devel Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-vfs-glusterfs Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-winbind Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0
samba-winbind-clients Red Hat:enterprise_linux:7::computenodeAll versions0:4.1.1-37.el7_0

Products include Canonical Ubuntu Linux, Redhat Enterprise Linux, Samba Samba.

How do I fix CVE-2014-3560?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2014-3560 being exploited?

There is no known exploitation of CVE-2014-3560 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-3560, ECHO-fdcb-87cb-895d, GHSA-6xf9-6qc5-4w36, RHSA-2014:1008, UBUNTU-CVE-2014-3560, USN-2305-1.

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