CVE-2014-0191 Denial of service in n/a

Medium 4.3 Published 21 Jan 2015 Updated 6 Aug 2024

Remote attackers can cause denial of service via resource consumption by sending crafted XML documents to applications using vulnerable libxml2 versions.

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

What is CVE-2014-0191?

CVE-2014-0191 is a medium-severity denial of service vulnerability in Oracle Fusion Middleware, published on 21 Jan 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The xmlParserHandlePEReference function in parser.c in libxml2 before 2.9.2, as used in Web Listener in Oracle HTTP Server in Oracle Fusion Middleware 11.1.1.7.0, 12.1.2.0, and 12.1.3.0 and other products, loads external parameter entities regardless of whether entity substitution or validation is enabled, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XML document.

Which versions are affected by CVE-2014-0191?

It affects 1 product.

Linux distribution packages (25)

`libxml2` Red Hat:enterprise_linux:7::client	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-devel` Red Hat:enterprise_linux:7::client	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-python` Red Hat:enterprise_linux:7::client	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-static` Red Hat:enterprise_linux:7::client	All versions	`0:2.9.1-5.el7_1.2`
`libxml2` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-python` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-static` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.9.1-5.el7_1.2`
`libxml2` Red Hat:enterprise_linux:7::server	All versions	`0:2.9.1-5.ael7b_1.2`
`libxml2-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:2.9.1-5.ael7b_1.2`
`libxml2-devel` Red Hat:enterprise_linux:7::server	All versions	`0:2.9.1-5.ael7b_1.2`
`libxml2-python` Red Hat:enterprise_linux:7::server	All versions	`0:2.9.1-5.ael7b_1.2`
`libxml2-static` Red Hat:enterprise_linux:7::server	All versions	`0:2.9.1-5.ael7b_1.2`
`libxml2` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-python` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.9.1-5.el7_1.2`
`libxml2-static` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.9.1-5.el7_1.2`
`libxml2` SUSE:Linux Enterprise Server 11 SP4	All versions	`2.7.6-0.47.1`
`libxml2-python` SUSE:Linux Enterprise Server 11 SP4	All versions	`2.7.6-0.47.3`
`libxml2` SUSE:Linux Enterprise Server for SAP Applications 11 SP4	All versions	`2.7.6-0.47.1`
`libxml2-python` SUSE:Linux Enterprise Server for SAP Applications 11 SP4	All versions	`2.7.6-0.47.3`
`libxml2` SUSE:Linux Enterprise Software Development Kit 11 SP4	All versions	`2.7.6-0.47.1`

Products include Oracle Fusion Middleware.

How do I fix CVE-2014-0191?

Upgrade to a fixed version.

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-2014-0191 being exploited?

There is no known exploitation of CVE-2014-0191 in the wild and no public exploit code.

All Oracle Fusion Middleware vulnerabilities

Sources

Also known as CVE-2015-0191, DEBIAN-CVE-2014-0191, ECHO-6934-593f-86b2, GHSA-hwp3-c628-9f7v, MGASA-2014-0214, RHSA-2015:0749 and 3 more.