Vulnerability identifier: #VU86068

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-1000346

CWE-ID: CWE-320

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
The Bouncy Castle Crypto Package For Java
Universal components / Libraries / Libraries used by multiple products

Vendor: Legion of the Bouncy Castle Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the other party DH public key is not fully validated.. A remote attacker can gain unauthorized access to sensitive information on the system and reveal details about the other party's private key where static Diffie-Hellman is in use.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

The Bouncy Castle Crypto Package For Java: 1.55

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External links
http://access.redhat.com/errata/RHSA-2018:2669
http://access.redhat.com/errata/RHSA-2018:2927
http://github.com/bcgit/bc-java/commit/1127131c89021612c6eefa26dbe5714c194e7495#diff-d525a20b8acaed791ae2f0f770eb5937
http://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
http://security.netapp.com/advisory/ntap-20181127-0004/
http://usn.ubuntu.com/3727-1/
http://www.oracle.com/security-alerts/cpuoct2020.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?

No. We are not aware of malware exploiting this vulnerability.