13613 : CA BrightStor ARCserve Backup Discovery Service Buffer Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
10	1193	over 7 years ago	about 1 year ago	6 times	100%

Timeline

Vendor Informed Date	Vendor Ack Date	Discovery Date	Disclosure Date	Exploit Publish Date
2004-11-12	2004-11-15	2004-12-11	2004-12-20	2005-02-11

Time to Exploit	Time to Vendor Response
62 days	3 days

Keywords

UDP Port 41524

Description

A remote overflow exists in BrightStor ARCserve Backup. The discovery service fails to properly check buffer boundries resulting in a stack overflow. With a specially crafted request, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public, Exploit Commercial
Disclosure: OSVDB Verified

Technical

The ARCserver Backup server uses a Discovery server to detect other backup servers on the local network. The Discovery service listens on UDP port 41524. While the Discovery service can accept packets up to 4k bytes (via the recvfrom() call), it copies this data to a smaller (1k byte) buffer to be processed.

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Computer Associate has released a patch to address this vulnerability.

Products

Computer Associates International, Inc.	BrightStor ARCserve Backup (Windows)	11.0
	BrightStor Enterprise Backup (Windows)	10.0
	BrightStor ARCserve Backup (Netware)	9.0

References

Security Tracker: 1013138
Metasploit ID: 13613
Secunia Advisory ID: 14183
CVE ID: 2005-0260 (see also: NVD)
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2005-02/0123.html
Generic Exploit URL: http://immunitysec.com
Vendor Specific Advisory URL: http://supportconnect.ca.com/sc/solcenter/sol_detail.jsp?aparno=QO62769&os=NT&returninput=0
Vendor URL: http://www.ca.com/
Other Advisory URL: http://www.idefense.com/application/poi/display?id=194&type=vulnerabilities&flashstatus=true
Keyword: UDP Port 41524

Tools & Filters

Snort	10134 13620 3472

Credit

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2005-06-06 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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