Blank Password String Can Trigger False Positive Matches in PHP password_verify()
CVE-2024-3096

6.5MEDIUM

Key Information:

Vendor
PHP Group
Status
PHP
Vendor
CVE Published:
29 April 2024

Badges

💰 Ransomware👾 Exploit Exists📰 News Worthy

Summary

In PHP  version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with password_hash() starts with a null byte (\x00), testing a blank string as the password via password_verify() will incorrectly return true.

Affected Version(s)

PHP 8.1.*

PHP 8.1.* < 8.1.28

PHP 8.2.* < 8.2.18

News Articles

favicon imageLinux Security

Mageia 2024-0132: php Security Advisory Updates | LinuxSecurity.com

Mageia 2024-0132: php Security Advisory Updates - MGASA-2024-0132Updated php packages fix security vulnerabilities Publication date: 13 Apr 2024 URL:

References

https://github.com/php/php-src/security/advisories/GHSA-h...
http://www.openwall.com/lists/oss-security/2024/04/12/11
https://lists.debian.org/debian-lts-announce/2024/05/msg0...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • Vulnerability published

  • 📰

    First article discovered by Linux Security

Credit

Eric Stern
.
CVE-2024-3096 : Blank Password String Can Trigger False Positive Matches in PHP password_verify() | SecurityVulnerability.io