Critical severity · published Nov 29, 2018
CVE-2018-8784
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code…
9.8
CVSS
7.3%
EPSS
No
On KEV
Description
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that 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:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.3% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freerdp · Freerdp
through 1.2.0; 2.0.0; 2.0.0; 2.0.0 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8784
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8784
Third Party Advisory
http://www.securityfocus.com/bid/106938
Patch
https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7
Exploit
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
Third Party Advisory
https://usn.ubuntu.com/3845-1/
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