CVE-2017-1000423 Information

Description

b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim’s setup.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/b2evolution/b2evolution/commit/0096a3ebc85f6aadbda2c4427cd092a538b161d2 https://github.com/b2evolution/b2evolution/commit/b899d654d931f3bf3cfbbdd71e0d1a0f3a16d04c

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8