Biscom Secure File Transfer AngularJS Display Name injection

Summaryinfo

A vulnerability was found in Biscom Secure File Transfer. It has been classified as critical. The impacted element is an unknown function of the component AngularJS Handler. This manipulation of the argument Display Name with the input {{ }} as part of Expression causes injection. The identification of this vulnerability is CVE-2017-5246. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Biscom Secure File Transfer (File Transfer Software) (unknown version). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component AngularJS Handler. The manipulation of the argument Display Name with the input value {{ }} leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Biscom Secure File Transfer is vulnerable to AngularJS expression injection in the Display Name field. An authenticated user can populate this field with a valid AngularJS expression, wrapped in double curly-braces ({{ }}). This expression will be evaluated by any other authenticated user who views the attacker's display name.

The bug was discovered 07/12/2017. The weakness was shared 07/18/2017 (Website). It is possible to read the advisory at twitter.com. This vulnerability is known as CVE-2017-5246 since 01/09/2017. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-103760 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• File Transfer Software

Vendor

• Biscom

Name

• Secure File Transfer

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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• 🔍

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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