AssoCIateD Postman up to up to 6.3.0 X.509 Certificate Validation HTTPS Request certificate validation

Summaryinfo

A vulnerability categorized as problematic has been discovered in AssoCIateD Postman up to up to 6.3.0. This impacts an unknown function of the component X.509 Certificate Validation. Such manipulation as part of HTTPS Request leads to certificate validation. This vulnerability is documented as CVE-2018-17215. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in AssoCIateD Postman up to up to 6.3.0. It has been rated as problematic. Affected by this issue is an unknown functionality of the component X.509 Certificate Validation. The manipulation as part of a HTTPS Request leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality. CVE summarizes:

An information-disclosure issue was discovered in Postman through 6.3.0. It validates a server's X.509 certificate and presents an error if the certificate is not valid. Unfortunately, the associated HTTPS request data is sent anyway. Only the response is not displayed. Thus, all contained information of the HTTPS request is disclosed to a man-in-the-middle attacker (for example, user credentials).

The bug was discovered 09/21/2018. The weakness was released 09/26/2018 as not defined mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2018-17215 since 09/19/2018. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability was handled as a non-public zero-day exploit for at least 5 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• AssoCIateD

Name

• Postman

Version

• 6.0
• 6.1
• 6.2
• 6.3.0

CPE 2.3info

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CPE 2.2info

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