PT-2018-5198 · B2Evolution · B2Evolution

Published 2018-01-02 · Updated 2018-01-17 · CVE-2017-1000423

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions b2evolution versions 6.6.0 through 6.8.10

Description The issue concerns input validation in the basic install functionality of the software. Specifically, it involves the escape of backslash and single quote characters, which can be exploited by an unauthenticated attacker to gain PHP code execution on the victim's setup.

Recommendations For versions 6.6.0 through 6.8.10, update to a version that includes the fix for the input validation issue in the basic install functionality to prevent unauthenticated PHP code execution.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-1000423

Affected Products

B2Evolution

References · 5

• https://github.com/b2evolution/b2evolution/commit/b899d654d931f3bf3cfbbdd71e0d1a0f3a16d04c · Patch
• https://github.com/b2evolution/b2evolution/commit/0096a3ebc85f6aadbda2c4427cd092a538b161d2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-1000423 · Security Note
• https://osv.dev/vulnerability/CVE-2017-1000423 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000423 · Note