CVE-2024-45519: Zimbra Collaboration XSS Exploitation — Detection and Remediation

---
title: Zimbra CVE-2024-45519 XSS Injection Attempt
id: a1b2c3d4-5678-90ab-cdef-123456789012
status: experimental
description: Detects potential exploitation attempts of CVE-2024-45519 via XSS patterns in Zimbra web mail requests.
references:
  - https://cisa.gov/known-exploited-vulnerabilities-catalog
author: Security Arsenal
date: 2025/04/07
tags:
  - attack.initial_access
  - attack.t1190
  - cve.2024.45519
logsource:
  category: webserver
detection:
  selection_uri:
    cs_uri_stem|contains:
      - '/service/home/'
      - '/service/soap/'
  selection_payload:
    cs_uri_query|contains:
      - '<script'
      - 'javascript:'
      - 'onerror='
      - 'onload='
      - 'fromCharCode'
  condition: all of selection_
falsepositives:
  - Legitimate testing of mail filters containing HTML (rare in query strings)
level: high
---
title: Zimbra Suspicious Admin Console Access from Unusual Geographic Location
id: b2c3d4e5-6789-01ab-cdef-234567890123
status: experimental
description: Detects successful logins to the Zimbra Admin Console followed by configuration changes, a common post-exploitation step for XSS -> Session Hijacking.
references:
  - https://attack.mitre.org/techniques/T1078/
author: Security Arsenal
date: 2025/04/07
tags:
  - attack.persistence
  - attack.t1098
logsource:
  category: webserver
detection:
  selection_admin_login:
    cs_uri_stem|contains: '/service/admin/soap/'
    cs_method: POST
    sc_status: 200
  selection_config_change:
    cs_uri_query|contains:
      - 'ModifyAccountRequest'
      - 'CreateAccountRequest'
      - 'ModifyConfigRequest'
  timeframe: 5m
  condition: selection_admin_login | near selection_config_change
falsepositives:
  - Legitimate administrative maintenance
level: medium

// Hunt for XSS patterns in Zimbra Proxy/Jetty logs
// Ingestion via Syslog or CEF is assumed
Syslog
| where Computer has "zimbra" 
| where SyslogMessage has_any ("/service/home/", "/service/soap/") 
| extend Payload = extract(@"(.*?)", 1, SyslogMessage) 
| where Payload has_any ("<script", "javascript:", "onerror=", "onload=") 
| project TimeGenerated, Computer, SourceIP, ProcessName, Payload 
| order by TimeGenerated desc

-- Hunt for Zimbra access logs containing XSS injection attempts
SELECT * FROM foreach(
    glob(globs='/opt/zimbra/log/access.log*'),
    {
        SELECT 
            FullPath,
        FROM parse_lines(filename=FullPath, sep='\n')
        WHERE Line =~ '<script' 
           OR Line =~ 'javascript:'
           OR Line =~ 'onerror='
    }
)

#!/bin/bash
# Zimbra CVE-2024-45519 Vulnerability Assessment and Patch Guidance
# Run as 'zimbra' user or root

echo "[*] Checking Zimbra Version for CVE-2024-45519 susceptibility..."

# Check if Zimbra is installed
if [ ! -d "/opt/zimbra" ]; then
    echo "[!] Zimbra installation not found in /opt/zimbra. Exiting."
    exit 1
fi

# Get Version
if command -v zmcontrol &> /dev/null; then
    VERSION=$(su - zimbra -c "zmcontrol -v" | awk '{print $2}')
    echo "[+] Detected Zimbra Version: $VERSION"
else
    echo "[!] zmcontrol command not found. Cannot determine version automatically."
    exit 1
fi

# Vulnerable versions check
# 8.8.15 < .P46, 9.0.0 < .P34, 10.0.0 < .P25
VULNERABLE=false

case "$VERSION" in
    8.8.15.P[0-9]|8.8.15.P[1-3][0-9]|8.8.15.P4[0-5]|8.8.15)
        VULNERABLE=true
        ;;
    9.0.0.P[0-9]|9.0.0.P[1-2][0-9]|9.0.0.P3[0-3]|9.0.0)
        VULNERABLE=true
        ;;
    10.0.0.P[0-9]|10.0.0.P[1][0-9]|10.0.0.P2[0-4]|10.0.0)
        VULNERABLE=true
        ;;
    *)
        # Check generic versions without patches just in case
        if [[ "$VERSION" == "8.8.15" ]] || [[ "$VERSION" == "9.0.0" ]] || [[ "$VERSION" == "10.0.0" ]]; then
            VULNERABLE=true
        fi
        ;;
esac

if [ "$VULNERABLE" = true ]; then
    echo "[!!!] ALERT: This version ($VERSION) is VULNERABLE to CVE-2024-45519."
    echo "[!!!] ACTION REQUIRED: Patch immediately to the latest release."
    echo ""
    echo "Recommended Targets:"
    echo "  - 8.8.15.P46 or later"
    echo "  - 9.0.0.P34 or later"
    echo "  - 10.0.0.P25 or later"
    echo ""
    echo "Official Advisory: https://wiki.zimbra.com/wiki/Zimbra_Releases"
else
    echo "[+] Version $VERSION appears to be patched or unaffected based on known patches."
fi