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Vulnerability of Cisco ESA/SMA: read-write access via HTTP Response Splitting

Synthesis of the vulnerability 

An attacker can bypass access restrictions via HTTP Response Splitting of Cisco ESA/SMA, in order to read or alter data.
Impacted products: AsyncOS, Cisco Content SMA, Cisco ESA.
Severity of this bulletin: 2/4.
Creation date: 16/11/2017.
Références of this threat: cisco-sa-20171115-esa, CSCvf16705, CSCvj76180, CVE-2017-12309, VIGILANCE-VUL-24477.

Description of the vulnerability 

An attacker can bypass access restrictions via HTTP Response Splitting of Cisco ESA/SMA, in order to read or alter data.
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This cybersecurity alert impacts software or systems such as AsyncOS, Cisco Content SMA, Cisco ESA.

Our Vigil@nce team determined that the severity of this weakness is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this security weakness.

Solutions for this threat 

Cisco ESA/SMA: solution CSCvf16705 CSCvj76180.
The solution is described on the Cisco site:
  https://tools.cisco.com/bugsearch/bug/CSCvf16705
  https://tools.cisco.com/quickview/bug/CSCvf16705
  https://tools.cisco.com/bugsearch/bug/CSCvj76180
  https://tools.cisco.com/quickview/bug/CSCvj76180
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