Out-of-bounds Read Affecting libwinpr package, versions <0:2.1.1-2.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    1.15% (85th percentile)

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  • Snyk ID SNYK-RHEL7-LIBWINPR-1529263
  • published 26 Jul 2021
  • disclosed 31 Mar 2020

How to fix?

Upgrade RHEL:7 libwinpr to version 0:2.1.1-2.el7 or higher.
This issue was patched in RHSA-2020:4031.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwinpr package and not the libwinpr package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.

CVSS Scores

version 3.1
Expand this section

NVD

5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

5.9 medium