Integer Overflow Vulnerability in Symantec Products
CVE-2016-3645

9.8CRITICAL

Key Information:

Vendor

Symantec
Status
Norton Security
Vendor
CVE Published:
30 June 2016

What is CVE-2016-3645?

An integer overflow vulnerability exists in the TNEF unpacker in Symantec’s AntiVirus Decomposer engine. This allows remote attackers to exploit crafted TNEF data, potentially leading to an undefined impact on system integrity and availability. The affected products range across various versions of Symantec's security solutions, including Advanced Threat Protection, Mail Security, and Endpoint Protection, among others. Users are encouraged to update to the latest versions to mitigate the risks associated with this vulnerability.

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References

http://www.securitytracker.com/id/1036199
vdb-entryx_refsource_SECTRACK
http://www.securitytracker.com/id/1036198
vdb-entryx_refsource_SECTRACK
https://www.symantec.com/security_response/securityupdate...
x_refsource_CONFIRM

EPSS Score

75% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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