VDB-93909 · CVE-2016-2877 · BID 95002

IBM QRadar SIEM up to 7.2.6 Web permission

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.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in IBM QRadar SIEM up to 7.2.6. This affects an unknown part of the component Web. Performing a manipulation results in permission. This vulnerability is cataloged as CVE-2016-2877. The attack must be initiated from a local position. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in IBM QRadar SIEM up to 7.2.6 (Log Management Software). This affects an unknown code of the component Web. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM QRadar SIEM 7.1 before MR2 Patch 13 and 7.2 before 7.2.7 uses weak permissions for unspecified directories under the web root, which allows local users to modify data by writing to a file.

The bug was discovered 07/26/2016. The weakness was shared 11/30/2016 by ryan (Website). The advisory is shared at www-01.ibm.com. This vulnerability is uniquely identified as CVE-2016-2877 since 03/09/2016. The exploitability is told to be easy. An attack has to be approached locally. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 127 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 7.2.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95002†). The entries VDB-93911, VDB-93910, VDB-93908 and VDB-93907 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Log Management Software

Vendor

Name

QRadar SIEM

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: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
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: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QRadar SIEM 7.2.7

Timelineinfo

03/09/2016 🔍
07/26/2016 +139 days 🔍
07/26/2016 +0 days 🔍
11/30/2016 +127 days 🔍
11/30/2016 +0 days 🔍
12/01/2016 +1 days 🔍
06/13/2019 +924 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: www-01.ibm.com
Researcher: ryan
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2877 (🔍)
GCVE (CVE): GCVE-0-2016-2877
GCVE (VulDB): GCVE-100-93909
SecurityFocus: 95002 - IBM QRadar SIEM CVE-2016-2877 Local Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 12/01/2016 11:47
Updated: 06/13/2019 13:04
Changes: 12/01/2016 11:47 (54), 06/13/2019 13:04 (14)
Complete: 🔍
Cache ID: 216::103

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