Vulnerability CVE-2017-12309


Published: 2017-11-16

Description:
A vulnerability in the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to conduct a HTTP response splitting attack. The vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses. An exploit could allow the attacker to perform cross-site scripting attacks, cross-user defacement, web cache poisoning, and similar exploits. Cisco Bug IDs: CSCvf16705.

Type:

CWE-113

(Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Cisco -> Email security appliance firmware 

 References:
http://www.securityfocus.com/bid/101928
http://www.securitytracker.com/id/1039831
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-esa

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