VDB-81613 · CVE-2015-8520 · BID 84166

IBM Tivoli Storage Manager Fastback up to 5.5.x/6.1.12.1 Server memory corruption

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.
9.4$0-$5k0.00

A vulnerability classified as very critical was found in IBM Tivoli Storage Manager Fastback up to 5.5.x/6.1.12.1 (Backup Software). Affected by this vulnerability is an unknown function of the component Server. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the server in IBM Tivoli Storage Manager FastBack 5.5.x and 6.x before 6.1.12.2 allows remote attackers to execute arbitrary code via a crafted command, a different vulnerability than CVE-2015-8519, CVE-2015-8521, and CVE-2015-8522.

The weakness was presented 04/05/2016 with IXIA (Website). The advisory is shared at www-01.ibm.com. This vulnerability is known as CVE-2015-8520 since 12/08/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/03/2019). It is expected to see the exploit prices for this product increasing in the near future.

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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 33703.

The vulnerability is also documented in the vulnerability database at Tenable (89788). See 81612, 81614, 81615 and 81616 for similar entries.

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: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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
TippingPoint: 🔍
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-2015-8520 (🔍)
Vulnerability Center: 57962 - IBM Tivoli Storage Manager FastBack Remote Code Execution Vulnerability - CVE-2015-8520, High
SecurityFocus: 84166 - IBM Tivoli Storage Manager FastBack CVE-2015-8520 Stack Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 04/06/2016 12:20
Updated: 02/03/2019 10:53
Changes: 04/06/2016 12:20 (71), 02/03/2019 10:53 (15)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!