Multiple vulnerabilities in Zimbra Collaboration



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-98
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Zimbra Collaboration
Web applications / Webmail solutions

Vendor Synacor Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) PHP file inclusion

EUVDB-ID: #VU100260

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program

Exploit availability: No

Description

The vulnerability allows a remote user to include and execute arbitrary PHP files on the server.

The vulnerability exists due to incorrect input validation when including PHP files. A remote authenticated user can send a specially crafted HTTP request to the affected application, include and execute arbitrary PHP code on the system with privileges of the web server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zimbra Collaboration: 10.0.0 - 10.1.2

CPE2.3 External links

https://wiki.zimbra.com/wiki/Security_Center#ZCS_10.0.11_Released
https://wiki.zimbra.com/wiki/Security_Center#ZCS_10.1.3_Released


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Stored cross-site scripting

EUVDB-ID: #VU100261

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: N/A

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 user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the /h/rest endpoint. A remote user can inject and execute arbitrary JavaScript 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 updates from vendor's website.

Vulnerable software versions

Zimbra Collaboration: 10.0.0 - 10.1.2

CPE2.3 External links

https://wiki.zimbra.com/wiki/Security_Center#ZCS_10.0.11_Released
https://wiki.zimbra.com/wiki/Security_Center#ZCS_10.1.3_Released


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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