CVE-2024-45511: zimbra XSS — Fix

Description

An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to improper sanitization of file content by the OnlyOffice formatter. This occurs when the victim opens a crafted URL pointing to a shared folder containing a malicious file uploaded by the attacker. The vulnerability allows the attacker to execute arbitrary JavaScript in the context of the victim's session.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
synacor	zimbra_collaboration_suite	< 10.0.9
synacor	zimbra_collaboration_suite	All

References

Advisories & Patches

https://wiki.zimbra.com/wiki/Security_Center

Other References

https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_Fixes https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Frequently Asked Questions

What is CVE-2024-45511? +

An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to improper sanitization of file content by the OnlyOffice formatter. This occurs when the victim opens a crafted URL pointing to a shared folder containing a malicious file uploaded by the attacker. The vulnerability allows the attacker to execute arbitrary JavaScript in the context of the victim's session. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-45511? +

CVE-2024-45511 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-45511? +

CVE-2024-45511 affects products from synacor, specifically: zimbra_collaboration_suite. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-45511? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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