Security Bulletin: Multiple Security Vulnerabilities in IBM Tivoli Storage Manager FastBack (CVE-2015-4931, CVE-2015-4932, CVE-2015-4933, CVE-2015-4934, CVE-2015-4935)

Security Bulletin

Summary

IBM Tivoli Storage Manager FastBack is affected by multiple security vulnerabilities such as stack based buffer overflow, command injection and remote code execution. These vulnerabilities may cause the server to crash, elevate privileges, or disclose information.

Vulnerability Details

CVEID: CVE-2015-4931
DESCRIPTION: IBM Tivoli Storage Manager FastBack server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a crafted packet an attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the server to crash.
CVSS Base Score: 10
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104161 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVEID: CVE-2015-4932
DESCRIPTION: IBM Tivoli Storage Manager FastBack server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a crafted packet an attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the server to crash.
CVSS Base Score: 10
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104162 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVEID: CVE-2015-4933
DESCRIPTION: IBM Tivoli Storage Manager FastBack server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a crafted packet an attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the server to crash.
CVSS Base Score: 10
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104163 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVEID: CVE-2015-4934
DESCRIPTION: IBM Tivoli Storage Manager FastBack server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a crafted packet an attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the server to crash.
CVSS Base Score: 10
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104164 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVEID: CVE-2015-4935
DESCRIPTION: IBM Tivoli Storage Manager FastBack server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a crafted packet an attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the server to crash.
CVSS Base Score: 10
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104165 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

Affected Products and Versions

IBM Tivoli Storage Manager Fastback 6.1.0.0 through 6.1.12.0

Remediation/Fixes

FastBack Release	First FixingVRMF Level	Platform	APAR	Link to fix
6.1	6.1.12.1	Windows	None	http://www-933.ibm.com/support/fixcentral/swg/selectFix?product=ibm%2FTivoli%2FIBM+Tivoli+Storage+Manager+FastBack&fixids=6.1.12.1-TIV-TSMFB-FP001&source=SAR&function=fixId&parent=ibm/Tivoli

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Acknowledgement

CVE-2015-4935 is reported to IBM by Brian Gorenc working with HP's Zero Day Initiative

CVE-2015-4931, CVE-2015-4932, CVE-2015-4933 and CVE-2015-4934 are reported to IBM by Lola Montez working with HP's Zero Day Initiative

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: Multiple Security Vulnerabilities in IBM Tivoli Storage Manager FastBack (CVE-2015-4931, CVE-2015-4932, CVE-2015-4933, CVE-2015-4934, CVE-2015-4935)