CVE-2011-0465 Command injection in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary commands via shell metacharacters in hostnames from DHCP or XDMCP messages in X.Org X11.

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

What is CVE-2011-0465?

CVE-2011-0465 is a critical command injection vulnerability in n/a, published on 8 Apr 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.

Weakness: CWE-20

Which versions are affected by CVE-2011-0465?

It affects 2 products.

Linux distribution packages (40)
xorg-x11 Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGL Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGLU Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-Xdmx Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-Xnest Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-Xvfb Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-deprecated-libs Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-deprecated-libs-devel Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-devel Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-doc Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-font-utils Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-libs Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-sdk Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-tools Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-twm Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-xauth Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-xdm Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11-xfs Red Hat:enterprise_linux:4::asAll versions0:6.8.2-1.EL.67
xorg-x11 Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGL Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGLU Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-Xdmx Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-Xnest Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-Xvfb Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-deprecated-libs Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-deprecated-libs-devel Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-devel Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-doc Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-font-utils Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-libs Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-sdk Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-tools Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-twm Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-xauth Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-xdm Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11-xfs Red Hat:enterprise_linux:4::desktopAll versions0:6.8.2-1.EL.67
xorg-x11 Red Hat:enterprise_linux:4::esAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGL Red Hat:enterprise_linux:4::esAll versions0:6.8.2-1.EL.67
xorg-x11-Mesa-libGLU Red Hat:enterprise_linux:4::esAll versions0:6.8.2-1.EL.67
xorg-x11-Xdmx Red Hat:enterprise_linux:4::esAll versions0:6.8.2-1.EL.67

Products include Matthias Hopf Xrdb, X X11.

How do I fix CVE-2011-0465?

Upgrade to a fixed version.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2011-0465 being exploited?

There is no known exploitation of CVE-2011-0465 in the wild and no public exploit code.

Sources

Also known as CVE-2011-1014, DEBIAN-CVE-2011-0465, DSA-2213-1, GHSA-wphx-j4h9-hfr8, RHSA-2011:0432, RHSA-2011:0433 and 1 more.

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