CVE-2012-4543 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML into Red Hat Certificate System via specific parameters, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2012-4543?

CVE-2012-4543 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Jan 2013. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple cross-site scripting (XSS) vulnerabilities in Red Hat Certificate System (RHCS) before 8.1.3 allow remote attackers to inject arbitrary web script or HTML via the (1) pageStart or (2) pageSize to the displayCRL script, or (3) nonce variable to the profileProcess script.

Weakness: CWE-79

Which versions are affected by CVE-2012-4543?

It affects 1 product.

Linux distribution packages (40)
pki-ca Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-common Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-common-javadoc Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-core Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-core-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-java-tools Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-java-tools-javadoc Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-native-tools Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-selinux Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-setup Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-silent Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-symkey Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-util Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-util-javadoc Red Hat:enterprise_linux:6::clientAll versions0:9.0.3-30.el6
pki-ca Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-common Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-common-javadoc Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-core Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-core-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-java-tools Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-java-tools-javadoc Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-native-tools Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-selinux Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-setup Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-silent Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-symkey Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-util Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-util-javadoc Red Hat:enterprise_linux:6::computenodeAll versions0:9.0.3-30.el6
pki-ca Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-common Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-common-javadoc Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-core Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-core-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-java-tools Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-java-tools-javadoc Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-native-tools Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-selinux Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-setup Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-silent Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6
pki-symkey Red Hat:enterprise_linux:6::serverAll versions0:9.0.3-30.el6

Products include Redhat Certificate System.

How do I fix CVE-2012-4543?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2012-4543 being exploited?

There is no known exploitation of CVE-2012-4543 in the wild and no public exploit code.

Sources

Also known as GHSA-3rg2-g53j-xh7w, RHSA-2013:0511.

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