Amazon Linux AMI update for R

1) Buffer overflow

EUVDB-ID: #VU8326

Risk: Medium

CVSSv3.1: 7.8 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8714

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

A remote code execution vulnerability exists in the VM Host Agent Service of Remote Desktop Virtual Host role when it fails to properly validate input from an authenticated user on a guest operating system. A remote unauthenticated attacker can execute arbitrary code on the VM host operating system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages.

i686:
    R-core-3.3.3-1.51.amzn1.i686
    R-java-devel-3.3.3-1.51.amzn1.i686
    R-core-devel-3.3.3-1.51.amzn1.i686
    R-devel-3.3.3-1.51.amzn1.i686
    R-debuginfo-3.3.3-1.51.amzn1.i686
    R-java-3.3.3-1.51.amzn1.i686
    libRmath-devel-3.3.3-1.51.amzn1.i686
    libRmath-static-3.3.3-1.51.amzn1.i686
    libRmath-3.3.3-1.51.amzn1.i686
    R-3.3.3-1.51.amzn1.i686

src:
    R-3.3.3-1.51.amzn1.src

x86_64:
    R-core-devel-3.3.3-1.51.amzn1.x86_64
    R-devel-3.3.3-1.51.amzn1.x86_64
    R-3.3.3-1.51.amzn1.x86_64
    R-debuginfo-3.3.3-1.51.amzn1.x86_64
    R-java-devel-3.3.3-1.51.amzn1.x86_64
    libRmath-3.3.3-1.51.amzn1.x86_64
    R-java-3.3.3-1.51.amzn1.x86_64
    libRmath-devel-3.3.3-1.51.amzn1.x86_64
    R-core-3.3.3-1.51.amzn1.x86_64
    libRmath-static-3.3.3-1.51.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2017-819.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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