#VU6171 Security bypass in Oracle Java SE - CVE-2013-2423

Vulnerability identifier: #VU6171

Vulnerability risk: Low

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2013-2423

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Oracle Java SE
Universal components / Libraries / Software for developers

Vendor: Oracle

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness caused by weak access control on static classes. Tricking the victim into running a malicious Java applet a remote attacker can bypass Java sandbox restrictions.

Successful exploitation of the vulnerability results in security bypass.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Oracle Java SE: 5 Update 31 - 5 Update 45, 6u10 - 6u121, 7u2 - 7u7, 7

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External links
https://www.oracle.com/technetwork/topics/security/javacpuapr2013-1928497.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.