Integer overflow in TNEF decoder in Symantec Scan Engine



Published: 2016-06-30 | Updated: 2018-09-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-3645
CWE-ID CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Symantec Scan Engine
Other software / Other software solutions

Symantec Protection for SharePoint Servers (SPSS)
Server applications / Other server solutions

Symantec Mail Security for Domino (SMSDOM)
Server applications / IDS/IPS systems, Firewalls and proxy servers

Symantec Mail Security for Microsoft Exchange (SMSMSE)
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Broadcom

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow in TNEF decoder

EUVDB-ID: #VU67

Risk: Low

CVSSv3.1: 3.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-3645

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

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.

Mitigation

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.

Vulnerable software versions

Symantec Scan Engine: 13.1.2.19

Symantec Protection for SharePoint Servers (SPSS): 6.0.3 - 6.0.6

Symantec Mail Security for Domino (SMSDOM): 8.0.9 - 8.1.3

Symantec Mail Security for Microsoft Exchange (SMSMSE): 6.5.8 - 7.5.4

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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