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>> CA ARCserve Backup "casdscvc" Denial of Service Vulnerability

Title : CA ARCserve Backup "casdscvc" Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2008-1354
CVE ID : CVE-2008-1979
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-04-25


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in CA ARCserve Backup, which could be exploited by remote attackers to cause a denial of service. This issue is caused by an error in the Discovery service (casdscvc) when processing specially crafted packets sent to port 41523/TCP, which could be exploited by remote attackers to cause a vulnerable application to crash or restart, creating a denial of service condition.

Affected Products

CA ARCserve Backup r12.0
CA BrightStor ARCserve Backup for Windows r11.1
CA BrightStor ARCserve Backup for Windows r11.5
CA BrightStor ARCserve Backup for Windows r11.5 SP1
CA BrightStor ARCserve Backup for Windows r11.5 SP2
CA BrightStor ARCserve Backup for Windows r11.5 SP3
CA Business Protection Suite r2
CA Protection Suite Server r2 SP1 x86 32
CA Protection Suite Server r2 x86 32

Solution

Apply patch for CA ARCserve Backup r12.0 Windows:
https://support.ca.com/irj/portal/anonymous/SolutionResults?aparNo=QO99574&actionID=4

Apply patch for CA ARCserve Backup r11.5 Windows:
https://support.ca.com/irj/portal/anonymous/SolutionResults?aparNo=QO99575&actionID=4

Apply patch for CA ARCserve Backup r11.5 Windows or upgrade to version 11.5 SP4:
https://support.ca.com/irj/portal/anonymous/SolutionResults?aparNo=QO99129&actionID=4

Apply patch for CA ARCserve Backup r11.1 Windows:
https://support.ca.com/irj/portal/anonymous/SolutionResults?aparNo=QO99576&actionID=4

Apply patch for CA Protection Suites r2:
https://support.ca.com/irj/portal/anonymous/SolutionResults?aparNo=QO99575&actionID=4

References

http://www.vupen.com/english/advisories/2008/1354
http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=36440
http://aluigi.altervista.org/adv/carcbackazz-adv.txt

Credits

Vulnerability reported by Luigi Auriemma.

ChangeLog

2008-04-25 : Initial release
2008-06-18 : Updated Solution

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