Information disclosure in Adobe Reader and Adobe Acrobat - CVE-2018-4993

Vulnerability identifier: #VU12689

CSH Severity: Low

CVSS v4: 4.6 [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]

CVE-ID: CVE-2018-4993

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to NTLM SSO hash theft when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .pdf file and gain access to arbitrary data.

Adobe Reader
Adobe Acrobat

Update to version 2018.011.20040, 2017.011.30080 or 2015.006.30418.

• Exploit #2682 - CPR-Zero: CVE-2018-4993 (May 18, 2020)
• Exploit #75 - BADPDF Malicious PDF Creator (March 18, 2020)

• https://helpx.adobe.com/security/products/acrobat/apsb18-09.html

• Multiple vulnerabilities in Adobe Reader and Acrobat