Vulnerability identifier: #VU5363

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2970

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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 compromise vulnerable system.

The vulnerability exists due to boundary error within XSLT apply-templates when processing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, cause heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability will result in system compromise.

Mitigation
Install the latest version of Adobe Reader and Acrobat:

• Acrobat DC Continuous 15.023.20053
• Acrobat Reader DC Continuous 15.023.20053
• Acrobat DC Classic 15.006.30279
• Acrobat Reader DC Classic 15.006.30279
• Acrobat XI 11.0.19
• Reader XI 11.0.19

Vulnerable software versions

Adobe Acrobat: 15.006.30097 - 15.020.20042

Adobe Reader: 11.0.0 - 11.0.18, 15.006.30097 - 15.020.20042

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External links
http://helpx.adobe.com/security/products/acrobat/apsb17-01.html
http://www.zerodayinitiative.com/advisories/ZDI-17-045/

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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.