VDB-81616 · CVE-2015-8523 · BID 84164

IBM Tivoli Storage Manager Fastback up to 5.5.x/6.1.12.1 Server TCP Packet 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.
7.2	$0-$5k	0.00

A vulnerability has been found in IBM Tivoli Storage Manager Fastback up to 5.5.x/6.1.12.1 (Backup Software) and classified as critical. This vulnerability affects an unknown part of the component Server. The manipulation as part of a TCP Packet leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect availability. CVE summarizes:

The server in IBM Tivoli Storage Manager FastBack 5.5.x and 6.x before 6.1.12.2 allows remote attackers to cause a denial of service (service crash) via crafted packets to a TCP port.

The weakness was released 04/05/2016 with IXIA (Website). The advisory is shared for download at www-01.ibm.com. This vulnerability was named CVE-2015-8523 since 12/08/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 89788 (IBM Tivoli Storage Manager FastBack 5.5.x / 6.1.x < 6.1.12.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family General and running in the context r.

Upgrading to version 6.1.12.2 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 vulnerability database at Tenable (89788). Entries connected to this vulnerability are available at 81612, 81613, 81614 and 81615.

Productinfo

Type

Backup Software

Vendor

Name

Tivoli Storage Manager Fastback

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

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: 89788
Nessus Name: IBM Tivoli Storage Manager FastBack 5.5.x / 6.1.x < 6.1.12.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802224
OpenVAS Name: IBM Tivoli Storage Manager FastBack Server Multiple Buffer Overflow Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tivoli Storage Manager Fastback 6.1.12.2
Fortigate IPS: 🔍

Timelineinfo

12/08/2015 🔍
03/01/2016 +84 days 🔍
03/02/2016 +1 days 🔍
03/09/2016 +7 days 🔍
03/09/2016 +0 days 🔍
04/05/2016 +26 days 🔍
04/05/2016 +0 days 🔍
04/06/2016 +1 days 🔍
04/07/2016 +1 days 🔍
02/03/2019 +1032 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: www-01.ibm.com
Organization: IXIA
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8523 (🔍)
Vulnerability Center: 57965 - IBM Tivoli Storage Manager FastBack Remote DoS via Crafted Packets to a TCP Port, Medium
SecurityFocus: 84164 - IBM Tivoli Storage Manager FastBack CVE-2015-8523 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 04/06/2016 12:20
Updated: 02/03/2019 10:54
Changes: 04/06/2016 12:20 (72), 02/03/2019 10:54 (14)
Complete: 🔍