PT-2019-2572 · Astra Linux · Astra Linux

Published 2019-07-09 · Updated 2019-07-09

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Astra Linux (affected versions not specified)

Description The issue is related to errors in the algorithm for recalculating resolution when changing the window size of the built-in screen locker in the fly-wm window manager of Astra Linux. This can lead to the possibility of displaying confidential data in a running virtual machine or in a nested session after the screen is locked inside a guest machine running under Astra Linux. Exploitation of this issue may allow an attacker to access confidential data on the guest machine's desktop by manipulating the screen resolution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-254

CWE-200

Related Identifiers

BDU:2019-02442

Affected Products

Astra Linux

References · 4

• https://wiki.astralinux.ru/pages/viewpage.action?pageId=53644505 · Vendor Advisory
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=1212483 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02442 · Security Note
• https://habr.com/ru/post/459274 · Note