Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-0567— password_verify() always returns true for some invalid hashes

Quick assessment

Affected
PHP Group PHP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SUSE Linux Enterprise Server是德国SUSE公司的一套企业服务器版Linux操作系统。 SUSE存在安全漏洞，该漏洞源于BCrypt 哈希错误验证，以下产品和版本受到影响：openSUSE Leap 15.4、SUSE Enterprise Storage 7、SUSE Enterprise Storage 7.1、SUSE Linux Enterprise High Performance Computing 15 SP2、SUSE Linux Enterprise High

CVSS 7.7 · High EPSS 0.95% · P60

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
PHP Group PHP 8.0.*< 8.0.28 affected
8.1.*< 8.1.16 affected
8.2.*< 8.2.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-0567

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
password_verify() always returns true for some invalid hashes
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE Linux Enterprise Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE Linux Enterprise Server是德国SUSE公司的一套企业服务器版Linux操作系统。 SUSE存在安全漏洞，该漏洞源于BCrypt 哈希错误验证，以下产品和版本受到影响：openSUSE Leap 15.4、SUSE Enterprise Storage 7、SUSE Enterprise Storage 7.1、SUSE Linux Enterprise High Performance Computing 15 SP2、SUSE Linux Enterprise High
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PHP Group PHP 8.0.* ~ 8.0.28 -

II. Public POCs for CVE-2023-0567

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-0567

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-0567 (1)

Other References for CVE-2023-0567 (1)

Same Patch Batch · PHP Group · 2023-02-16 · 3 CVEs total

CVE-2023-0568 7.5 HIGH Array overrun in common path resolve code
CVE-2023-0662 7.5 HIGH DoS vulnerability when parsing multipart request body

IV. Related Vulnerabilities

Same product: PHP
Same vendor: PHP Group

V. Comments for CVE-2023-0567

No comments yet

Leave a comment