CVE-2018-8786

high-risk
Published 2018-11-29

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.

Do I need to act?

~
9.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 445a5a42c500ceb80f8fa7f2c11f3682538033f3
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (16)

Affected Vendors

Debian Redhat Canonical Fedoraproject Freerdp

References (16)

Third Party Advisory http://www.securityfocus.com/bid/106938
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0697
Patch https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033...
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Exploit https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients...
Third Party Advisory https://usn.ubuntu.com/3845-1/
Third Party Advisory https://usn.ubuntu.com/3845-2/
Third Party Advisory http://www.securityfocus.com/bid/106938
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0697
Patch https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033...
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Exploit https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients...
Third Party Advisory https://usn.ubuntu.com/3845-1/
Third Party Advisory https://usn.ubuntu.com/3845-2/
61
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 11/34 · Low
Exposure 18/34 · Moderate