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CVE-2009-1761

5.0 · MEDIUM

The message engine in CA ARCserve Backup r12.0 and r12.0 SP1 for Windows allows remote attackers to cause a denial of service (crash) via (1) an invalid 0x13 message, which is not properly handled…

Published Jun 16, 2009caCWE-20EPSS 2.23%

Overview

CVE-2009-1761 is a medium-severity vulnerability affecting ca arcserve_backup. It was published on June 16, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The message engine in CA ARCserve Backup r12.0 and r12.0 SP1 for Windows allows remote attackers to cause a denial of service (crash) via (1) an invalid 0x13 message, which is not properly handled in the ASCORE module, or (2) a 0x3B message with invalid stub data that triggers an RPC marshalling error.

Remediation

Check the references section for vendor advisories and patches from ca. Update arcserve_backup to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refcommunity.ca.com/blogs/casecurityresponseblog/archive/2009/06/15/ca20090615-01-ca-arcserve-backup-message-engine-denial-of-service-vulnerabilities.aspxRefsecunia.com/advisories/35473Refsupport.ca.com/irj/portal/anonymous/phpsupcontent?contentID=209502Refwww.ivizsecurity.com/security-advisory-iviz-sr-09003.htmlRefwww.ivizsecurity.com/security-advisory-iviz-sr-09004.htmlRefwww.securityfocus.com/archive/1/504348/100/0/threadedRefwww.securityfocus.com/archive/1/504349/100/0/threadedRefwww.securityfocus.com/bid/35396Refwww.securitytracker.com/id?1022405Refwww.vupen.com/english/advisories/2009/1608

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1761?

CVE-2009-1761 is a medium-severity vulnerability affecting ca arcserve_backup. It was published on June 16, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-1761?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1761?

Check the references section for vendor advisories and patches from ca. Update arcserve_backup to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1761?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1761 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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