Input validation error in openjdk8 (Alpine package)

1) Input validation error

EUVDB-ID: #VU33491

Risk: Medium

CVSSv3.1: 4.6 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3214

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded, JRockit. Note: This vulnerability applies to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g. via a web service which supplies data to the APIs. CVSS 3.0 Base Score 5.3 (Availability impacts).

Mitigation

Install update from vendor's website.

Vulnerable software versions

openjdk8 (Alpine package): 8.181.13-r0

External links

http://git.alpinelinux.org/aports/commit/?id=0905d093856a9727b68783a3fe9cea30f5d86fcc
http://git.alpinelinux.org/aports/commit/?id=d7f33f856ada4bcdb7fc556e53404e7e5c97abe1
http://git.alpinelinux.org/aports/commit/?id=813a6e811df47ec9eb24129eee3d1ef560a53a84
http://git.alpinelinux.org/aports/commit/?id=95b6385e634240fec0b4445221f22915c7fdc384

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.