Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

Remote code execution in Java
CVE-2010-0886

Improper input validation

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when parsing URL to a Java Networking Launching Protocol (.jnlp) file. A remote attacker can create a specially crafted link, trick the victim into clicking on it and execute arbitrary commands on the target system with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

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This vulnerability was originally discovered independently by both Ruben Santamarta and Tavis Ormandy.
The vulnerability was used in Willysy attack. Users who visit the songlyrics.dot.com website were redirected to Russian attack server.

Software: Oracle Java SE

This vulnerability was originally discovered independently by both Ruben Santamarta and Tavis Ormandy.
The vulnerability was used in Willysy attack. Users who visit the songlyrics.dot.com website were redirected to Russian attack server.

Links:

https://www.sans.org/newsletters/newsbites/xii/30
http://www.computerworld.com/article/2517237/security0/hackers-exploit-new-java-zero-day-bug.html
http://www.theregister.co.uk/2010/04/15/emergency_java_patch/
http://www.oracle.com/technetwork/java/javase/6u20-142805.html
http://www.oracle.com/technetwork/topics/security/alert-cve-2010-0886-094541.html
https://www.sans.org/newsletters/newsbites/xii/32
https://access.redhat.com/security/cve/cve-2010-0886
https://www.symantec.com/security_response/attacksignatures/detail.jsp?asid=50263
http://www.javaworld.com/article/2073334/java--oracle-security-alert-cve-2010-0886.html
https://www.stopthehacker.com/2011/12/01/willysy-injection-attacks/

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About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.