OTRS up to 2.4.7 input validation

EntryHistoryDiffjsonxmlCTI

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.
5.1	$0-$5k	0.00

A vulnerability was found in OTRS up to 2.4.7 (Service Management Software). It has been declared as problematic. This vulnerability affects an unknown functionality. 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 availability. CVE summarizes:

Open Ticket Request System (OTRS) 2.3.x before 2.3.6 and 2.4.x before 2.4.8 does not properly handle the matching of Perl regular expressions against HTML e-mail messages, which allows remote attackers to cause a denial of service (CPU consumption) via a large message, a different vulnerability than CVE-2010-2080.

The weakness was published 09/20/2010 by Alex (Website). The advisory is available at lists.opensuse.org. This vulnerability was named CVE-2010-3476 since 09/20/2010. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 75701 (openSUSE Security Update : otrs (openSUSE-SU-2010:1061-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 2.3.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (61869) and Tenable (75701). Similar entry is available at 54772.

Productinfo

Type

Service Management Software

Name

OTRS

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 75701
Nessus Name: openSUSE Security Update : otrs (openSUSE-SU-2010:1061-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100821
OpenVAS Name: OTRS Core System Multiple Cross-Site Scripting and Denial of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OTRS 2.3.5

Timelineinfo

09/15/2010 🔍
09/15/2010 +0 days 🔍
09/16/2010 +1 days 🔍
09/20/2010 +4 days 🔍
09/20/2010 +0 days 🔍
09/20/2010 +0 days 🔍
12/22/2011 +458 days 🔍
03/19/2015 +1183 days 🔍
09/25/2021 +2382 days 🔍

Sourcesinfo

Advisory: lists.opensuse.org
Researcher: Alex
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-3476 (🔍)
X-Force: 61869
Vulnerability Center: 34104 - OTRS Improper Handling of Perl Regular Expressions Allows Remote DoS via a Large Message, Medium
SecurityFocus: 43264 - OTRS Core System Multiple Cross-Site Scripting and Denial of Service Vulnerabilities
Secunia: 41381 - OTRS Script Insertion and Denial of Service Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/25/2021 08:58
Changes: 03/19/2015 14:37 (55), 04/09/2017 13:03 (18), 09/25/2021 08:58 (3)
Complete: 🔍