PT-2018-16598 · Adobe · Acrobat Reader

Published 2018-02-13 · Updated 2018-03-16 · CVE-2018-4892

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Adobe Acrobat Reader versions 2018.009.20050 and earlier Adobe Acrobat Reader versions 2017.011.30070 and earlier Adobe Acrobat Reader versions 2015.006.30394 and earlier

Description The issue is a use after free vulnerability in the JBIG2 decoder, triggered by a crafted PDF file containing a malformed JBIG2 stream. Successful exploitation could lead to arbitrary code execution. This allows attackers to execute arbitrary code.

Recommendations For Adobe Acrobat Reader versions 2018.009.20050 and earlier, update to a version later than 2018.009.20050 to resolve the issue. For Adobe Acrobat Reader versions 2017.011.30070 and earlier, update to a version later than 2017.011.30070 to resolve the issue. For Adobe Acrobat Reader versions 2015.006.30394 and earlier, update to a version later than 2015.006.30394 to resolve the issue. As a temporary workaround, consider avoiding the use of the JBIG2 decoder until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-4892

ZDI-18-187

Affected Products

Acrobat Reader

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2018-4892 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-187 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb18-02.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-4892 · Vendor Advisory
• http://securitytracker.com/id/1040364 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4892 · Note
• http://securityfocus.com/bid/102995 · Note