#VU15106 Out-of-bounds read in Adobe Reader and Adobe Acrobat - CVE-2018-12871

Vulnerability identifier: #VU15106

Vulnerability risk: Low

CVSSv4.0: 1.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-12871

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Adobe

Description

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

The vulnerability exists due to a boundary error when processing PDF files. A remote attacker can create a specially crafted PDF document, trick the victim into opening it, trigger out-of-bounds read and gain access to sensitive information stored in memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 2015.006.30306 - 2018.011.20063

Adobe Acrobat: 15.006.30306 - 15.006.30452, 17.008.30051 - 17.011.30102, 18.009.20044, 18.009.20050, 18.011.20035, 18.011.20038, 18.011.20040, 18.011.20055, 18.011.20058, 18.011.20063

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External links
https://helpx.adobe.com/security/products/acrobat/apsb18-30.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. However, proof of concept for this vulnerability is available.