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CVE-2012-4953

9.3 · HIGH

The decomposer engine in Symantec Endpoint Protection (SEP) 11.0, Symantec Endpoint Protection Small Business Edition 12.0, Symantec AntiVirus Corporate Edition (SAVCE) 10.x, and Symantec Scan Engi…

Published Nov 14, 2012symantecCWE-119EPSS 6.04%

Overview

CVE-2012-4953 is a high-severity vulnerability affecting symantec antivirus. It was published on November 14, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The decomposer engine in Symantec Endpoint Protection (SEP) 11.0, Symantec Endpoint Protection Small Business Edition 12.0, Symantec AntiVirus Corporate Edition (SAVCE) 10.x, and Symantec Scan Engine (SSE) before 5.2.8 does not properly perform bounds checks of the contents of CAB archives, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file.

Remediation

Check the references section for vendor advisories and patches from symantec. Update antivirus 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
symantecscan_engine0Affected

References

Refwww.kb.cert.org/vuls/id/985625Refwww.securityfocus.com/bid/56399Refwww.securitytracker.com/id?1027726Refwww.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20121107_00Refwww.kb.cert.org/vuls/id/985625Refwww.securityfocus.com/bid/56399Refwww.securitytracker.com/id?1027726Refwww.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20121107_00

How CyberStrike helps

Frequently asked questions

What is CVE-2012-4953?

CVE-2012-4953 is a high-severity vulnerability affecting symantec antivirus. It was published on November 14, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2012-4953?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-4953?

Check the references section for vendor advisories and patches from symantec. Update antivirus 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-2012-4953?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-4953 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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