Details
Alert ID 20015
Alert Type Active
Status release
Risk High
CWE 119
WASC 20
Technologies Targeted All
Tags CVE-2014-0160
CWE-119
OWASP_2017_A09
OWASP_2021_A06
WSTG-V42-CRYP-01
More Info Scan Rule Help

Summary

The TLS implementation in OpenSSL 1.0.1 before 1.0.1g does not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, potentially disclosing sensitive information.

Solution

Update to OpenSSL 1.0.1g or later. Re-issue HTTPS certificates. Change asymmetric private keys and shared secret keys, since these may have been compromised, with no evidence of compromise in the server log files.

Other Info

This issue was confirmed by exfiltrating data from the server, using TLS 1.1. This is unlikely to be a false positive.

References

Code

org/zaproxy/zap/extension/ascanrules/HeartBleedActiveScanRule.java