ViRobot Linux Server addschup binary buffer overflow

virobot-addschup-bo (21000)

High Risk

Description:

ViRobot Linux Server is vulnerable to a buffer overflow caused by improper bounds checking of cookies sent to the setuid cgi-bin file, addschup, and possibly other binaries as well. Arbitrary commands can be inserted into the user's contab file. By connecting to the server webadmin port, a remote attacker could overflow a buffer and execute arbitrary code on the system with root privileges.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	2.9
Exploitability:	Functional
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Apply the patch for this vulnerability (down_unixpatch.html), available from the ViRobot Linux Server Web page. See References.

References:

• Digital Almunition DMA 2005-0614a: Global Hauri ViRobot Server cookie overflow.
• ViRobot Linux Server Web page: The AntiVirus Wizards of HAURI.
• BID-13964: ViRobot Linux Server Remote Buffer Overflow Vulnerability
• CVE-2005-2041: Buffer overflow in addschup in HAURI ViRobot 2.0, and possibly other products, allows remote attackers to execute arbitrary code via a long ViRobot_ID cookie (HTTP_COOKIE).
• OSVDB ID: 17320: ViRobot Linux Server addschup Cookie Field Remote Overflow
• SA15700: ViRobot Linux Server Cookie Overflow Vulnerability

Platforms Affected:

• HAURI ViRobot Linux Server 2.0

Reported:

Jun 15, 2005

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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