Multiple vulnerabilities in Adobe Reader and Acrobat

Published: 2018-08-14

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-12808 CVE-2018-12799
CWE-ID	CWE-787 CWE-822
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Adobe Reader Client/Desktop applications / Office applications Adobe Acrobat Client/Desktop applications / Office applications
Vendor	Adobe

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU14342

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-2018-12808

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to out-of-bounds write when handling malicious input. A remote unauthenticated attacker can trick the victim into opening a specially crafted .pdf file, trigger memory corruption and execute arbitrary code with elevated privileges.

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

Mitigation

The vulnerability has been addressed in the versions 2015.006.30448, 2017.011.30099, 2018.011.20058.

Vulnerable software versions

Adobe Reader: 2015.006.30306 - 2018.011.20055

Adobe Acrobat: 15.006.30306 - 18.011.20055

External links

http://helpx.adobe.com//security/products/acrobat/apsb18-29.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

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

2) Untrusted pointer dereference

EUVDB-ID: #VU14343