Remote code execution in Oracle Java SE



Published: 2012-06-12 | Updated: 2017-01-11
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2012-1723
CWE ID CWE-20
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Java SE
Universal components / Libraries / Software for developers

Vendor Oracle

Security Advisory

This security advisory describes one critical risk vulnerability.

1) Improper Input Validation

Severity: Critical

CVSSv3: 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C] [PCI]

CVE-ID: CVE-2012-1723

CWE-ID: CWE-20 - Improper Input Validation

Description

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

The weakness exists due to an error in the HotSpot bytecode verifier. By using untrusted Java Web Start applications and untrusted Java applets in a client deployment, a remote attacker can execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation

Install update from vendor's website:
http://www.oracle.com/technetwork/topics/security/alerts-086861.html

Vulnerable software versions

Java SE: 5 Update 35, 6 Update 32, 7 Update 4

CPE External links

http://www.oracle.com/technetwork/topics/security/javacpujun2012-1515912.html

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?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.