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CVE-2007-3771

4.6 · MEDIUM

Stack-based buffer overflow in the Internet E-mail Auto-Protect feature in Symantec AntiVirus Corporate Edition before 10.1, and Client Security before 3.1, allows local users to cause a denial of…

Published Jul 15, 2007symantecEPSS 0.36%

Overview

CVE-2007-3771 is a medium-severity vulnerability affecting symantec client_security. It was published on July 15, 2007 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Stack-based buffer overflow in the Internet E-mail Auto-Protect feature in Symantec AntiVirus Corporate Edition before 10.1, and Client Security before 3.1, allows local users to cause a denial of service (service crash) via a long (1) To, (2) From, or (3) Subject header in an outbound SMTP e-mail message. NOTE: the original vendor advisory referenced CVE-2006-3456, but this was an error.

Remediation

Check the references section for vendor advisories and patches from symantec. Update client_security 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

Refosvdb.org/36115Refsecunia.com/advisories/26036Refsecurityresponse.symantec.com/avcenter/security/Content/2007.07.11b.htmlRefsecuritytracker.com/id?1018367Refsecuritytracker.com/id?1018371Refwww.securityfocus.com/bid/24802Refwww.vupen.com/english/advisories/2007/2506Refexchange.xforce.ibmcloud.com/vulnerabilities/35354Refosvdb.org/36115Refsecunia.com/advisories/26036

How CyberStrike helps

Frequently asked questions

What is CVE-2007-3771?

CVE-2007-3771 is a medium-severity vulnerability affecting symantec client_security. It was published on July 15, 2007 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2007-3771?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2007-3771?

Check the references section for vendor advisories and patches from symantec. Update client_security 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-2007-3771?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-3771 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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