Vulnerability identifier: #VU65

Vulnerability risk: High

CVSSv3.1: 6.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-2211

CWE-ID: CWE-441

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Symantec Protection Engine (SPE)
Other software / Other software solutions
Symantec Scan Engine
Other software / Other software solutions
Symantec Data Center Security:Server (SDCS:S)
Server applications / Other server 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

Description
The vulnerability allows a remote attacker to cause memory corruption on the target system.

The vulnerability exists due to boundary error when unpacking MSPACK archives in Symantec Antivirus. A remote unauthenticated attacker can cause a remote memory corruption by sending specially crafted archive to vulnerable server.

Successful exploitation of this vulnerability may result in remote code executione.

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 Protection Engine (SPE): 7.0.5

:

Symantec Data Center Security:Server (SDCS:S): 6.5MP1 - 6.6MP1

Symantec Scan Engine: 13.1.2.19

Symantec Protection for SharePoint Servers (SPSS): 6.0.3

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

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External links
http://bugs.chromium.org/p/project-zero/issues/detail?id=816&q=label%3AVendor-Symantec

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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.