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Vulnerability Details : CVE-2018-8787

FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function gdi_Bitmap_Decompress() and results in a memory corruption and probably even a remote code execution.
Publish Date : 2018-11-29 Last Update Date : 2020-09-29
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflowMemory corruption
CWE ID 787

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0697: freerdp security update (Important) oval:com.redhat.rhsa:def:20190697 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-8787

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.10 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
6 Application Freerdp Freerdp * * * * Version Details Vulnerabilities
7 Application Freerdp Freerdp 2.0.0 RC1 * * Version Details Vulnerabilities
8 Application Freerdp Freerdp 2.0.0 RC3 * * Version Details Vulnerabilities
9 Application Freerdp Freerdp 2.0.0 RC2 * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Eus 7.6 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Freerdp Freerdp 4
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Eus 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2018-8787

https://usn.ubuntu.com/3845-2/
UBUNTU USN-3845-2
https://github.com/FreeRDP/FreeRDP/commit/09b9d4f1994a674c4ec85b4947aa656eda1aed8a CONFIRM
http://www.securityfocus.com/bid/106938
BID 106938 RDP Client 'FreeRDP' And 'rdesktop' Multiple Security Vulnerabilities Release Date:2019-04-19
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
MLIST [debian-lts-announce] 20190209 [SECURITY] [DLA 1666-1] freerdp security update
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ CONFIRM
https://access.redhat.com/errata/RHSA-2019:0697
REDHAT RHSA-2019:0697
https://usn.ubuntu.com/3845-1/
UBUNTU USN-3845-1

- Metasploit Modules Related To CVE-2018-8787

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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