CVE-2019-20383 : Security Advisory and Response

A vulnerability in ABBYY FineReader 15's network license server allows local users to escalate privileges through file manipulations and symbolic links.

Understanding CVE-2019-20383

Prior to Release 4 of ABBYY FineReader 15, a specific vulnerability exists in the network license server that can be exploited by local users to elevate their privileges.

What is CVE-2019-20383?

The vulnerability in ABBYY FineReader 15's network license server enables local users to escalate their privileges through file manipulations and symbolic links.

The Impact of CVE-2019-20383

The vulnerability allows unauthorized local users to gain elevated privileges on the system, potentially leading to unauthorized access and control.

Technical Details of CVE-2019-20383

The technical aspects of the CVE-2019-20383 vulnerability are as follows:

Vulnerability Description

The vulnerability in ABBYY FineReader 15's network license server allows local users to exploit file manipulations and symbolic links to escalate their privileges.

Affected Systems and Versions

Product: ABBYY FineReader 15
Versions: Before Release 4 (15.0.112.2130)

Exploitation Mechanism

The exploitation involves manipulating files and utilizing symbolic links to gain unauthorized elevated privileges on the system.

Mitigation and Prevention

To address CVE-2019-20383, consider the following steps:

Immediate Steps to Take

Update ABBYY FineReader 15 to Release 4 (15.0.112.2130) or later.
Restrict access to the network license server to authorized users only.

Long-Term Security Practices

Regularly monitor and audit file permissions and symbolic links on the system.
Educate users on safe file handling practices to prevent privilege escalation.

Patching and Updates

Apply patches and updates provided by ABBYY to fix the vulnerability and enhance system security.