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OpenAdvisories
Medium · 4.3 Public exploit CVE-2020-11019 EUVD-2020-3408

Out of bound read in update_recv in FreeRDP

Published May 29, 2020 · Updated Aug 4, 2024 · Assigned by GitHub_M

Description

In FreeRDP less than or equal to 2.0.0, when running with logger set to "WLOG_TRACE", a possible crash of application could occur due to a read of an invalid array index. Data could be printed as string to local terminal. This has been fixed in 2.1.0.

Affected products

VendorProductAffectedFixed
FreeRDP FreeRDP <= 2.0.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 12 freerdp2 2.1.1+dfsg1-1 —
Debian 10 freerdp2 2.3.0+dfsg1-2+deb10u3 DLA-3606-1
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS freerdp2 2.1.1+dfsg1-0ubuntu0.20.04.1 —
Ubuntu 18.04 LTS freerdp2 2.1.1+dfsg1-0ubuntu0.18.04.1 —
ReleasePackageFixed inAdvisory
RHEL 8 freerdp +4 2:2.1.1-1.el8 RHSA-2020:4647
RHEL 8 vinagre 3.22.0-23.el8 RHSA-2020:4647
RHEL 7 freerdp +4 2.1.1-2.el7 RHSA-2020:4031

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 freerdp-devel 2:2.1.1-1.el8 ALSA-2020:4647
AlmaLinux 8 vinagre 3.22.0-23.el8 ALSA-2020:4647

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 vinagre 3.22.0-23.el8 RLSA-2020:4647
ReleasePackageFixed inAdvisory
SLES 15 SP2 freerdp 2.1.2-15.7.1 SUSE-SU-2020:2068-1
SLES 15 SP1 freerdp 2.1.2-10.15.1 SUSE-SU-2020:2032-1
SLES 12 SP5 freerdp 2.1.2-12.20.1 SUSE-SU-2020:2272-1
SLES 12 SP5 vinagre 3.20.2-16.3.3 SUSE-SU-2020:2272-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed freerdp2 2.4.0-2.1 openSUSE-SU-2024:10768-1
openSUSE Leap 15.1 freerdp 2.1.2-lp151.5.6.1 openSUSE-SU-2020:1090-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 freerdp +4 2.1.1-2.amzn2 ALAS2-2020-1516

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 freerdp +4 2:2.1.1-1.el8 ELSA-2020-4647
Oracle Linux 8 vinagre 3.22.0-23.el8 ELSA-2020-4647
Oracle Linux 7 freerdp +4 2.1.1-2.el7 ELSA-2020-4031

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • Lixterclarixe/CVE-2020-11019 ★ 0 · Feb 15, 2023

    In FreeRDP less than or equal to 2.0.0, when running with logger set to "WLOG_TRACE", a possible crash of application could occur due to a read of an invalid array index. Data could be printed as str…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 13

References