### [CVE-2009-3875](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3875) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The MessageDigest.isEqual function in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to spoof HMAC-based digital signatures, and possibly bypass authentication, via unspecified vectors related to "timing attack vulnerabilities," aka Bug Id 6863503. ### POC #### Reference - http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html - http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html #### Github No PoCs found on GitHub currently.