Oracle HTTP Server 11.1.1.7.0/12.1.2.0/12.1.3.0 Web Listener parser.c xmlParserHandlePEReference external denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle HTTP Server 11.1.1.7.0/12.1.2.0/12.1.3.0. It has been classified as problematic. This affects the function xmlParserHandlePEReference of the file parser.c of the component Web Listener. The manipulation of the argument external leads to denial of service. This vulnerability is referenced as CVE-2014-0191. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle HTTP Server 11.1.1.7.0/12.1.2.0/12.1.3.0 (Web Server) and classified as problematic. This issue affects the function xmlParserHandlePEReference of the file parser.c of the component Web Listener. The manipulation of the argument external with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

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.

The weakness was published 01/20/2015 as Oracle Critical Patch Update Advisory - January 2015 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2014-0191 since 12/03/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Dawid Golunski and been published 11 months after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 75373 (openSUSE Security Update : libxml2 / python-libxml2 (openSUSE-SU-2014:0716-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169994 (SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2017:1366-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (93092), Exploit-DB (38573), Tenable (75373), SecurityFocus (BID 67233†) and Secunia (SA54172†). blogs.oracle.com is providing further details. Similar entries are available at VDB-13154, VDB-68712, VDB-68703 and VDB-68721. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Dawid Golunski
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 75373
Nessus Name: openSUSE Security Update : libxml2 / python-libxml2 (openSUSE-SU-2014:0716-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702978
OpenVAS Name: Debian Security Advisory DSA 2978-1 (libxml2 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: git.gnome.org

Timelineinfo

07/16/2013 🔍
12/03/2013 +140 days 🔍
04/24/2014 +142 days 🔍
06/13/2014 +50 days 🔍
12/04/2014 +174 days 🔍
12/07/2014 +3 days 🔍
01/20/2015 +44 days 🔍
01/20/2015 +0 days 🔍
01/21/2015 +1 days 🔍
01/21/2015 +0 days 🔍
10/30/2015 +282 days 🔍
10/30/2015 +0 days 🔍
03/02/2022 +2315 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2015
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0191 (🔍)
GCVE (CVE): GCVE-0-2014-0191
GCVE (VulDB): GCVE-100-68675

OVAL: 🔍

X-Force: 93092 - Libxml2 xmlParserHandlePEReference() denial of service
SecurityFocus: 67233 - Libxml2 Entity Substituton CVE-2014-0191 Denial of Service Vulnerability
Secunia: 54172 - Ubuntu update for libxml2, Less Critical
Vulnerability Center: 47435 - [cpujan2015-1972971] libxml2 Remote DoS Vulnerability in External Parameter Entity, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/21/2015 11:33
Updated: 03/02/2022 22:42
Changes: 01/21/2015 11:33 (86), 06/13/2017 09:14 (10), 03/02/2022 22:33 (3), 03/02/2022 22:42 (1)
Complete: 🔍
Cache ID: 216:29D:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!