IBM Lotus Sametime Enterprise Meeting Server 8.5.2/8.5.2.1 Link access control

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.
4.1$0-$5k0.00

A vulnerability classified as critical was found in IBM Lotus Sametime Enterprise Meeting Server 8.5.2/8.5.2.1 (Groupware Software). This vulnerability affects an unknown code of the component Link Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity. CVE summarizes:

The Enterprise Meeting Server in IBM Lotus Sametime 8.5.2 and 8.5.2.1 allows remote authenticated users to spoof the origin of shared links by leveraging meeting-attendance privileges.

The weakness was shared 11/08/2013 by Chris John Riley with Raiffeisen Informatik GmbH as IBM Lotus Sametime Enterprise Meeting Server link spoofing as confirmed advisory (Website). The advisory is available at xforce.iss.net. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2013-0537 since 12/16/2012. The attack can be initiated remotely. A single authentication is needed for exploitation. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as highly functional.

Applying the patch Fixpack: 8521-ST-Meetings-IF-RHOK-9D2NLF is able to eliminate this problem. The bugfix is ready for download at www-933.ibm.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (84840). Additional details are provided at www-01.ibm.com. The entries 11131, 11132 and 11135 are related to this item.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: Fixpack: 8521-ST-Meetings-IF-RHOK-9D2NLF

Timelineinfo

12/16/2012 🔍
11/07/2013 +326 days 🔍
11/08/2013 +1 days 🔍
11/08/2013 +0 days 🔍
11/08/2013 +0 days 🔍
11/08/2013 +0 days 🔍
11/15/2013 +7 days 🔍
05/15/2018 +1642 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: IBM Lotus Sametime Enterprise Meeting Server link spoofing
Researcher: Chris John Riley
Organization: Raiffeisen Informatik GmbH
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0537 (🔍)
X-Force: 84840 - IBM Lotus Sametime Enterprise Meeting Server link spoofing, Medium Risk
SecurityFocus: 63615
Secunia: 55602 - IBM Lotus Sametime Enterprise Meeting Server Two Spoofing Vulnerabilities, Less Critical
OSVDB: 99560

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

Entryinfo

Created: 11/15/2013 09:47
Updated: 05/15/2018 10:16
Changes: 11/15/2013 09:47 (70), 05/15/2018 10:16 (6)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!