#VU67 Integer overflow in TNEF decoder in Broadcom products - CVE-2016-3645

Vulnerability identifier: #VU67

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear

CVE-ID: CVE-2016-3645

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerable software:
Symantec Scan Engine
Symantec Protection for SharePoint Servers (SPSS)
Symantec Mail Security for Domino (SMSDOM)
Symantec Mail Security for Microsoft Exchange (SMSMSE)

Software vendor:
Broadcom

The vulnerability does not result in any detrimental actions due to underlying code.

However, the overflow was an exposure due to improper implementation that can potentially be used in the future, at some point, by an attacker.

Updates to resolve these issues can be installed using product update functionality. Users of Symantec Endpoint Protection (SEP), Symantec Protection Engine (SPE), Symantec Protection for SharePoint Servers (SPSS), Symantec Mail Security for Microsoft Exchange (SMSMSE) and Symantec Mail Security for Domino (SMSDOM) should apply custom patches. For more information, please refer to vendors advisory, specified in External links section.

• https://bugs.chromium.org/p/project-zero/issues/detail?id=819&q=label%3AVendor-Symantec