CVE-2017-18264

N/A
Published: May 1, 2018 at 05:00 PM UTC
Updated: June 17, 2026 at 01:12 AM UTC
2 products affected across 2 vendorsDebian LinuxphpMyAdmin

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Severity
N/A
Exploit prediction
EPSS 3%

Description

An issue was discovered in libraries/common.inc.php in phpMyAdmin 4.0 before 4.0.10.20, 4.4.x, 4.6.x, and 4.7.0 prereleases. The restrictions caused by $cfg['Servers'][$i]['AllowNoPassword'] = false are bypassed under certain PHP versions (e.g., version 5). This can allow the login of users who have no password set even if the administrator has set $cfg['Servers'][$i]['AllowNoPassword'] to false (which is also the default). This occurs because some implementations of the PHP substr function return false when given '' as the first argument.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 4.0.10.204.4.0 ≤ v ≤ 4.4.15.104.6.0 ≤ v ≤ 4.6.64.7.0 beta14.7.0 rc1
Affected range stops below 4.0.10.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/97211
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00006.html
x_refsource_CONFIRMPatchVendor Advisory
https://www.phpmyadmin.net/security/PMASA-2017-8/

CVSS

Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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