VDB-62587 · CVE-2011-4911 · BID 35544

Joomla CMS up to 1.5.11 input validation

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Joomla CMS up to 1.5.11. It has been rated as critical. This affects an unknown function. This manipulation causes input validation. This vulnerability is tracked as CVE-2011-4911. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Joomla CMS up to 1.5.11 (Content Management System). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

Joomla! before 1.5.12 does not perform a JEXEC check in unspecified files, which allows remote attackers to obtain the installation path via unspecified vectors.

The weakness was disclosed 06/30/2009 by Juan Galiana Lara (Paul) (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2011-4911 since 12/23/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12725 (Joomla! Multiple Cross-Site Scripting and JEXEC Information Disclosure Vulnerabilities).

Upgrading to version 1.5.12 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 35544†), OSVDB (55591†), Secunia (SA35668†) and Vulnerability Center (SBV-41356†). The entries VDB-62586 and VDB-62585 are pretty similar. 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: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 1.5.12

Timelineinfo

06/30/2009 🔍
06/30/2009 +0 days 🔍
07/01/2009 +0 days 🔍
07/01/2009 +0 days 🔍
07/01/2009 +0 days 🔍
12/23/2011 +904 days 🔍
10/07/2012 +289 days 🔍
09/09/2013 +337 days 🔍
03/24/2015 +561 days 🔍
04/21/2019 +1489 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: openwall.com
Researcher: Juan Galiana Lara (Paul)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4911 (🔍)
GCVE (CVE): GCVE-0-2011-4911
GCVE (VulDB): GCVE-100-62587
SecurityFocus: 35544 - Joomla! Cross Site Scripting and Information Disclosure Vulnerabilities
Secunia: 35668
OSVDB: 55591 - Joomla! JEXEC Check Unspecified Path Disclosure
Vulnerability Center: 41356 - Joomla! <1.5.12 Remote Information Disclosure Vulnerability due to Missing JEXEC Check, Medium

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

Entryinfo

Created: 03/24/2015 12:22
Updated: 04/21/2019 11:55
Changes: 03/24/2015 12:22 (61), 04/21/2019 11:55 (11)
Complete: 🔍
Cache ID: 216::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 ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!