CVE-2018-8786 — Integer Overflow to Buffer Overflow in Freerdp

CWE-680 — Integer Overflow to Buffer OverflowCWE-681 — Incorrect Conversion between Numeric TypesCWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer13 documents8 sources
Severity
9.8CRITICALNVD
EPSS
9.6%
top 7.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
FreerdpCheck Point Software Technologies LTD FreerdpCanonical Ubuntu Linux+8 more
Timeline
PublishedNov 29
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶NVDfreerdp/freerdp1.2.0+1
▶CVEListV5check_point_software_technologies_ltd/freerdpAll versions prior to 2.0.0-rc4

Also affects: Debian Linux 8.0, Fedora 28, Ubuntu Linux 14.04, 16.04, 18.04, 18.10, Enterprise Linux 7.6

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

5
GHSA
GHSA-2pjf-gmmm-fv82: FreeRDP prior to version 2↗2022-05-13
▶
OSV
freerdp vulnerabilities↗2019-05-28
▶
OSV
freerdp, freerdp2 vulnerabilities↗2018-12-12
▶
OSV
CVE-2018-8786: FreeRDP prior to version 2↗2018-11-29
▶
CVEList
CVE-2018-8786: FreeRDP prior to version 2↗2018-11-29
▶

📋Vendor Advisories

4
Ubuntu
FreeRDP vulnerabilities↗2019-05-28
▶
Ubuntu
FreeRDP vulnerabilities↗2018-12-12
▶
Red Hat
freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function↗2018-10-22
▶
Debian
CVE-2018-8786: freerdp2 - FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to ...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-8786 freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function [fedora-all]↗2019-02-28
▶
Bugzilla
CVE-2018-8786 freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function↗2019-01-31
▶
Bugzilla
CVE-2018-8784 CVE-2018-8785 CVE-2018-8786 CVE-2018-8787 CVE-2018-8788 CVE-2018-8789 freerdp: various flaws [epel-6]↗2019-01-31
▶
CVE-2018-8786 — Integer Overflow to Buffer Overflow | cvebase