Bitmessage PyBitmessage 0.6.2 __init__.py constructObject input validation

Summaryinfo

A vulnerability has been found in Bitmessage PyBitmessage 0.6.2 and classified as critical. This vulnerability affects the function constructObject of the file src/messagetypes/__init__.py. The manipulation leads to input validation. This vulnerability is referenced as CVE-2018-1000070. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Bitmessage PyBitmessage 0.6.2. It has been rated as critical. This issue affects the function constructObject of the file src/messagetypes/__init__.py. The manipulation with an unknown input 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. The summary by CVE is:

Bitmessage PyBitmessage version v0.6.2 (and introduced in or after commit 8ce72d8d2d25973b7064b1cf76a6b0b3d62f0ba0) contains a Eval injection vulnerability in main program, file src/messagetypes/__init__.py function constructObject that can result in Code Execution. This attack appears to be exploitable via remote attacker using a malformed message which must be processed by the victim - e.g. arrive from any sender on bitmessage network. This vulnerability appears to have been fixed in v0.6.3.

The bug was discovered 02/13/2018. The weakness was published 03/13/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-1000070 since 02/21/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Bitmessage

Name

• PyBitmessage

Version

• 0.6.2

License

• open-source

Website

• Product: https://github.com/Bitmessage/PyBitmessage/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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