Input validation error in openjdk8 (Alpine package)

1) Input validation error

EUVDB-ID: #VU33761

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-2973

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: JSSE). Supported versions that are affected are Java SE: 6u191, 7u181, 8u172 and 10.0.1; Java SE Embedded: 8u171. Difficult to exploit vulnerability allows unauthenticated attacker with network access via SSL/TLS to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.0 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Mitigation

Install update from vendor's website.

Vulnerable software versions

openjdk8 (Alpine package): 8.171.11-r0 - 8.171.11-r2

CPE2.3

• cpe:2.3:o:alpine:openjdk8_alpine_package:8.171.11-r2:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:openjdk8_alpine_package:8.171.11-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=ded1603ed10749cd90f410f5eba30e91d1c93c6e
http://git.alpinelinux.org/aports/commit/?id=a062ffc9e8b823fecbae65d23dae5f9c4b72b7f9
http://git.alpinelinux.org/aports/commit/?id=abd4eb399ba5d7a42b64764eded97622c6be29c2
http://git.alpinelinux.org/aports/commit/?id=b40f23f8d0765c072759e2a479ed8d550deab9aa
http://git.alpinelinux.org/aports/commit/?id=0a5db24a9098c540a6a120e62a594f36b5218a26

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.