SB2018032725 - Cross-site scripting in Zimbra Collaboration Suite
Published: March 27, 2018 Updated: April 15, 2022
Security Bulletin ID
SB2018032725
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2018-6882)
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS). A remote attacker can inject a specially crafted script into the Content-Location header in an email attachment and execute it when the attachment is opened.
Remediation
Install update from vendor's website.
References
- http://seclists.org/fulldisclosure/2018/Mar/52
- https://bugzilla.zimbra.com/show_bug.cgi?id=108786
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.7
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.securify.nl/advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due-to-the-way-it-handles-attachment-links.html