Security bypass in Cisco Email Security Appliance



| Updated: 2016-10-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6372
CWE-ID CWE-388
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Other
Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security bypass

EUVDB-ID: #VU1089

Risk: Low

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2016-6372

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated user to bypass security restrictions on the target system.
The weakness exists due to improper error handling. By sending an email message with a specially crafted MIME attachment, a remote attacker can bypass the configured email message and content filters.
Successful exploitation of the vulnerability allows a malicious user to gain access to the vulnerable system.

Mitigation

Update to version 9.1.1-038, 9.7.2-047, 10.0.0-125.

Vulnerable software versions

: 9.7.1 066

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esawsa2


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, a fully functional exploit for this vulnerability is available.



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