Rewterz Threat Advisory – Multiple Zimbra Collaboration Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2022-41348 CVSS:6.1
Zimbra Collaboration is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the onerror attribute of an IMG element. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute a script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-41349 CVSS:6.1
Zimbra Collaboration is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the /h/compose endpoint. A remote attacker could exploit this vulnerability using the attachUrl parameter in a specially-crafted URL to execute a script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-41350 CVSS:6.1
Zimbra Collaboration is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the /h/search?action=voicemail&action=listen endpoint. A remote attacker could exploit this vulnerability using the phone parameter in a specially-crafted URL to execute a script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-41351 CVSS:6.1
Zimbra Collaboration is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the /h/calendar. A remote attacker could exploit this vulnerability using the view parameter in a specially-crafted URL to execute a script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

• Cross-Site Scripting

Indicators Of Compromise

CVE

• CVE-2022-41348
• CVE-2022-41349
• CVE-2022-41350
• CVE-2022-41351

Affected Vendors

Zimbra

Affected Products

• Zimbra Collaboration 9.0
• Zimbra Collaboration 8.8.15

Remediation

Upgrade to the latest version of Zimbra Collaboration, available from the Zimbra Website. 
Zimbra Website