Critical severity · published Aug 31, 2023
CVE-2023-39353
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license
9.1
CVSS
1.5%
EPSS
No
On KEV
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% 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
FE
Fedora · Fedoraproject
37; 38; 39 · source: NVD
FR
Freerdp · Freerdp
before 2.11.0; 3.0.0; 3.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39353
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39353
Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/codec/rfx.c#L994-L996
Exploit
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hg53-9j9h-3c8f
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
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