Vulnerability Details : CVE-2020-11045
Potential exploit
In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.
Products affected by CVE-2020-11045
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11045
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11045
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:N/A:P |
6.8
|
4.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L |
0.7
|
2.5
|
NIST | |
|
2.2
|
LOW | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L |
0.7
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2020-11045
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Secondary)
- security-advisories@github.com (Primary)
References for CVE-2020-11045
-
https://github.com/FreeRDP/FreeRDP/commit/f8890a645c221823ac133dbf991f8a65ae50d637
Fixed #6005: Bounds checks in update_read_bitmap_data · FreeRDP/FreeRDP@f8890a6 · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
[SECURITY] [DLA 3606-1] freerdp2 security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4382-1/
USN-4382-1: FreeRDP vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/FreeRDP/FreeRDP/issues/6005
memory out of bounds read in update_read_bitmap_data · Issue #6005 · FreeRDP/FreeRDP · GitHubExploit;Third Party Advisory
-
https://usn.ubuntu.com/4379-1/
USN-4379-1: FreeRDP vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html
[SECURITY] [DLA 2356-1] freerdp security updateThird Party Advisory
-
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3x39-248q-f4q6
Memory out of bounds read in update_read_bitmap_data · Advisory · FreeRDP/FreeRDP · GitHubThird Party Advisory
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