Vulnerability Details : CVE-2023-39356
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a missing offset validation may lead to an Out Of Bound Read in the function `gdi_multi_opaque_rect`. In particular there is no code to validate if the value `multi_opaque_rect->numRectangles` is less than 45. Looping through `multi_opaque_rect->`numRectangles without proper boundary checks can lead to Out-of-Bounds Read errors which will likely lead to 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.
Products affected by CVE-2023-39356
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
- cpe:2.3:a:freerdp:freerdp:3.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:freerdp:freerdp:3.0.0:beta2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-39356
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-39356
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2023-39356
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: security-advisories@github.com (Primary)
References for CVE-2023-39356
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
[SECURITY] Fedora 39 Update: freerdp-2.11.1-1.fc39 - package-announce - Fedora Mailing-ListsMailing List
-
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
[SECURITY] [DLA 3606-1] freerdp2 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
[SECURITY] Fedora 37 Update: freerdp-2.11.1-1.fc37 - package-announce - Fedora Mailing-ListsMailing List
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https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-q5v5-qhj5-mh6m
Missing offset validation leading to Out-of-Bounds Read in gdi_multi_opaque_rect · Advisory · FreeRDP/FreeRDP · GitHubExploit;Vendor Advisory
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https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/include/freerdp/primary.h#L186-L196
FreeRDP/include/freerdp/primary.h at 63a2f65618748c12f79ff7450d46c6e194f2db76 · FreeRDP/FreeRDP · GitHubIssue Tracking
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https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/gdi/gdi.c#L723C1-L758
FreeRDP/libfreerdp/gdi/gdi.c at 63a2f65618748c12f79ff7450d46c6e194f2db76 · FreeRDP/FreeRDP · GitHubIssue Tracking
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https://security.gentoo.org/glsa/202401-16
FreeRDP: Multiple Vulnerabilities (GLSA 202401-16) — Gentoo security
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https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/core/orders.c#L1503-L1504
FreeRDP/libfreerdp/core/orders.c at 63a2f65618748c12f79ff7450d46c6e194f2db76 · FreeRDP/FreeRDP · GitHubIssue Tracking
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
[SECURITY] Fedora 38 Update: freerdp-2.11.1-1.fc38 - package-announce - Fedora Mailing-ListsMailing List
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