Multiple vulnerabilities in Yii



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-32877
CVE-2024-4990
CWE-ID CWE-79
CWE-470
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Yii
Web applications / CMS

Vendor Yii Software

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU90108

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-32877

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Debug mode. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Yii: 2.0.49.3

CPE2.3 External links

https://github.com/yiisoft/yii2/security/advisories/GHSA-qg5r-95m4-mjgj
https://github.com/yiisoft/yii2/commit/f7baab16e79f2369d4838ab5653c3c07ecf26615


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Unsafe reflection

EUVDB-ID: #VU90111

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-4990

CWE-ID: CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to unsafe reflection in base Component class. A remote attacker can execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Yii: 2.0.0 - 2.0.49

CPE2.3 External links

https://github.com/yiisoft/yii2/security/advisories/GHSA-cjcc-p67m-7qxm


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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