SB2018031343 - Input validation error in Bitmessage PyBitmessage

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Main Vulnerability Database SB2018031343

SB2018031343 - Input validation error in Bitmessage PyBitmessage

Published: March 13, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018031343
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2018-1000070)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.


Remediation

Install update from vendor's website.

References