Protection Mechanism Failure in openjdk8 (Alpine package)

Published: 2019-08-01

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-2786
CWE-ID	CWE-693
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openjdk8 (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Protection Mechanism Failure

EUVDB-ID: #VU19281

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-2786

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain restrictions.

The vulnerability exists due to the the AccessController class implementation in the Security component failed in certain cases. A remote attacker can use an untrusted Java application or applet to bypass certain Java sandbox restrictions.

The vulnerability affects openjdk-jre package of an implementation of the Java Platform, Standard Edition (Java SE).

Mitigation

Install update from vendor's website.

Vulnerable software versions

openjdk8 (Alpine package): 8.212.04-r0 - 8.212.04-r1

External links

http://git.alpinelinux.org/aports/commit/?id=4f0b80be4d1631483abd619e7d7e6c6502a1e350
http://git.alpinelinux.org/aports/commit/?id=61f36dcfec3adec2c787ad04f714132ed9a28e59
http://git.alpinelinux.org/aports/commit/?id=8ea9e2acc8dcf91473a18399ea0d9c857def70f2
http://git.alpinelinux.org/aports/commit/?id=9ad60b3171f76e5694a6a915357f9e047ae50f81
http://git.alpinelinux.org/aports/commit/?id=b9488d1543bd0ed444b50eff99b3d5f557b6c284

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.