Information disclosure in Cisco Security Appliances
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-6783 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco Content Security Management Appliance Server applications / IDS/IPS systems, Firewalls and proxy servers Cisco Email Security Appliance Server applications / IDS/IPS systems, Firewalls and proxy servers Cisco Web Security Appliance Server applications / IDS/IPS systems, Firewalls and proxy servers |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU7983
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-6783
CWE-ID:
CWE-200 - Exposure of sensitive information to an unauthorized actor
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.
The vulnerability exists in SNMP polling for the Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) due to insufficient protection of protect confidential information at rest in response to Simple Network Management Protocol (SNMP) poll requests. A remote attacker with knowledge of configured SNMP community string can make a crafted SNMP poll request to the targeted security appliance and discover confidential information.
Successful exploitation of the vulnerability may result in additional reconnaissance attacks.
Mitigation
Update Web Security Appliance to version 11.0.edns-201.
Update Email Security Appliance to version 11.0.0-105.
Update Content Security Management Appliance to version 11.0.0-060.
Cisco Content Security Management Appliance: 10.1.0 037
Cisco Email Security Appliance: 9.7.2 065
Cisco Web Security Appliance: 10.0.0 230
CPE2.3- cpe:2.3:a:cisco_systems:cisco_content_security_management_appliance:10.1.0 037:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_email_security_appliance:9.7.2 065:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_web_security_appliance:10.0.0 230:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-csa
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
