Vulnerability identifier: #VU12689

Vulnerability risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-4993

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Adobe Acrobat
Client/Desktop applications / Office applications
Adobe Reader
Client/Desktop applications / Office applications

Vendor: Adobe

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to NTLM SSO hash theft when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .pdf file and gain access to arbitrary data.

Mitigation
Update to version 2018.011.20040, 2017.011.30080 or 2015.006.30418.

Vulnerable software versions

Adobe Acrobat: 17.011.30079, 15.006.30306 - 15.006.30417

Adobe Reader: 2015.006.30306 - 2015.006.30417, 2017.011.30079, 2018.011.20035 - 2018.011.20038

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External links
http://helpx.adobe.com/security/products/acrobat/apsb18-09.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?

Yes. This vulnerability is being exploited in the wild.