VDB-105901 · CVE-2016-2977 · XFDB 113937

IBM Sametime Meeting Server 8.5.2/9.0 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.
5.3	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in IBM Sametime Meeting Server 8.5.2/9.0. It has been classified as critical. This issue affects some unknown processing. This manipulation causes input validation. This vulnerability is handled as CVE-2016-2977. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in IBM Sametime Meeting Server 8.5.2/9.0. It has been declared as critical. Affected by this vulnerability is an unknown code block. 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, integrity, and availability. The summary by CVE is:

IBM Sametime Meeting Server 8.5.2 and 9.0 could allow a malicious user to lower other users hands in the meeting. IBM X-Force ID: 113937.

The bug was discovered 08/23/2017. The weakness was released 08/29/2017 (Website). The advisory is shared at ibm.com. This vulnerability is known as CVE-2016-2977 since 03/09/2016. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/10/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100599†). Entries connected to this vulnerability are available at VDB-105884, VDB-105885, VDB-105886 and VDB-105888. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Sametime Meeting Server

Version

License

commercial

Website

Vendor: https://www.ibm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2016 🔍
08/23/2017 +532 days 🔍
08/23/2017 +0 days 🔍
08/29/2017 +6 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
01/10/2021 +1229 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2977 (🔍)
GCVE (CVE): GCVE-0-2016-2977
GCVE (VulDB): GCVE-100-105901
X-Force: 113937
SecurityFocus: 100599 - IBM Sametime Meetings Server Multiple Security Vulnerabilities
SecurityTracker: 1039231

See also: 🔍

Entryinfo

Created: 08/30/2017 08:49
Updated: 01/10/2021 09:32
Changes: 08/30/2017 08:49 (53), 11/11/2019 14:59 (10), 01/10/2021 09:32 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.