Medium severity · published May 7, 2020
CVE-2020-11047
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results
5.9
CVSS
1.7%
EPSS
No
On KEV
Description
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
FR
Freerdp · Freerdp
after 1.1.0 before 2.0.0 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 19.10; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11047
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11047
Patch
https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65
Exploit
https://github.com/FreeRDP/FreeRDP/issues/6009
Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pw
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Third Party Advisory
https://usn.ubuntu.com/4379-1/
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