CVE-2017-16362

high-risk

Published 2017-12-09

An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of an out of bounds read vulnerability in the MakeAccesible plugin, when handling font data. It causes an out of bounds memory access, which sometimes triggers an access violation exception. Attackers can exploit the vulnerability by using the out of bounds access for unintended reads, writes, or frees, potentially leading to code corruption, control-flow hijack, or an information leak attack.

Do I need to act?

8.7% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (6)

Acrobat

Acrobat Dc

Acrobat Reader

Acrobat Reader Dc

Affected Vendors

Adobe

References (6)

Third Party Advisory http://www.securityfocus.com/bid/102140

Third Party Advisory http://www.securitytracker.com/id/1039791

Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb17-36.html

Third Party Advisory http://www.securityfocus.com/bid/102140

Third Party Advisory http://www.securitytracker.com/id/1039791

Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb17-36.html

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high-risk

Severity 30/34 · Critical

Exploitability 10/34 · Low

Exposure 13/34 · Low