TeleMessage JSP Application Heap Dump Credential Exposure Vulnerability (CVE-2025-48928) Analysis and Mitigation Guide
Executive & SecOps Summary
SECOPS ASSESSMENTTeleMessage services and associated JSP applications through 2025-05-05
Local attackers can extract plaintext passwords and sensitive credentials previously transmitted over HTTP by analyzing memory heap dumps
Apply the latest security patches, restrict access to heap dump files, and optimize JVM garbage collection to prevent sensitive data from persisting in memory
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Verify and upgrade your TeleMessage installation to the latest patched version provided by the vendor.
# Update TeleMessage package and dependencies (RHEL/CentOS example)
sudo yum update -y telemessage-service
# Restart the Tomcat/JSP application server to clear active memory
sudo systemctl restart tomcat2. Temporary Workaround & Hardening Configuration
If patching cannot be applied immediately, restrict access to heap dump directories and disable automatic heap dumps on Out-Of-Memory (OOM) events.
# 1. Restrict permissions on potential heap dump directories
sudo chmod 700 /var/log/tomcat/dumps/
sudo chown tomcat:tomcat /var/log/tomcat/dumps/
# 2. Disable automatic heap dumps on OOM in Tomcat configuration (setenv.sh)
echo "export CATALINA_OPTS='\$CATALINA_OPTS -XX:-HeapDumpOnOutOfMemoryError'" | sudo tee -a /usr/share/tomcat/bin/setenv.sh
sudo systemctl restart tomcat3. Log Audit & IoC Verification Commands
Audit the system for unauthorized heap dump generation or execution of memory analysis tools.
# 1. Search for existing heap dump (.hprof) or core dump files
find / -name '*.hprof' -o -name 'core.*' 2>/dev/null
# 2. Check shell histories for unauthorized use of memory dump utilities
grep -E '(jmap|jcmd|gcore)' /home/*/.bash_history /root/.bash_history 2>/dev/nullBlock Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2025-48928) exists in the JSP-based application architecture of the TeleMessage service. A design flaw allows sensitive credentials, such as passwords transmitted over HTTP, to persist in the JVM heap memory in plaintext or easily reversible formats. Consequently, when a heap dump or core dump is generated (either automatically during a crash or manually), these credentials are exposed within the dump file (CWE-528, CWE-552).
2. Exploitation Mechanics & Attack Scenario
An attacker with local or low-privileged access to the hosting environment can trigger or locate a heap dump using standard JVM utilities (e.g., jmap, jcmd) or by forcing an application crash. By running string extraction utilities (such as 'strings' or 'grep') against the binary dump file, the attacker can easily locate and reconstruct the plaintext passwords previously sent via HTTP requests. This vulnerability has been actively exploited in the wild, with reports indicating successful compromise in under 20 minutes.
3. Infrastructure & Business Impact
Successful exploitation of this vulnerability leads to complete credential compromise, enabling lateral movement and unauthorized access to critical business systems. Given its inclusion in the CISA KEV catalog, the threat is highly active and practical. Failure to remediate this issue immediately poses severe risks of data breaches, regulatory non-compliance, and loss of customer trust.
Official Vendor Advisories & References
The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the wild in May 2025.
Frequently Asked SecOps Questions (CVE-2025-48928)
FAQQ1. How critical is CVE-2025-48928 and is it actively exploited in the wild?
CVE-2025-48928 is rated CVSS 4.0 (MEDIUM) with a 30-day EPSS exploitation probability of 0.6%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2025-48928?
Primary impacted vendors include telemessage across telemessage. Scope summary: All TeleMessage JSP-based services and applications running versions through 2025-05-05
Q3. What temporary mitigations or workarounds exist for CVE-2025-48928 before patching?
[Mitigation] Apply the latest security patches, restrict access to heap dump files, and optimize JVM garbage collection to prevent sensitive data from persisting in memory Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
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