A vulnerability was found in Steve Pallen Coherence up to 0.5.1 and classified as critical. Affected by this issue is an unknown part of the component Registration. The manipulation of the argument confirmed_at as part of a Parameter leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.

The bug was discovered 08/22/2018. The weakness was presented 12/20/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-20301 since 12/19/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 120 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.5.2 eliminates this vulnerability.

Productinfo

Vendor

• Steve Pallen

Name

• Coherence

Version

• 0.5.0
• 0.5.1

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion