CVE-2018-8786

CRITICAL

FreeRDP <2.0.0-rc4 - Memory Corruption

Title source: llm

Description

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.

References (8)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/106938

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html

[Patch, Vendor Advisory] https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3

View Patch ZIP pw:eip

[Third Party Advisory] https://usn.ubuntu.com/3845-1/

[Exploit, Third Party Advisory] https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2019:0697

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YVJKO2DR5EY4C4QZOP7SNNBEW2JW6FHX/

[Third Party Advisory] https://usn.ubuntu.com/3845-2/

Scores

CVSS v3 9.8

EPSS 0.0960

EPSS Percentile 92.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-681 CWE-787 CWE-680

Status published

Products (14)

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 18.04

canonical/ubuntu_linux 18.10

debian/debian_linux 8.0

fedoraproject/fedora 28

freerdp/freerdp 2.0.0 rc1 (3 CPE variants)

freerdp/freerdp < 1.2.0

redhat/enterprise_linux_desktop 7.0

redhat/enterprise_linux_server 7.0

... and 4 more

Published Nov 29, 2018

Tracked Since Feb 18, 2026