CVE-2020-11045: Out-of-bounds Read in FreeRDP
First published: Thu May 07 2020(Updated: )
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.
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/freerdp2 | 2.3.0+dfsg1-2+deb11u1 2.10.0+dfsg1-1 | |
| FreeRDP | >=1.1.0<2.0.0 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.10 | |
| Ubuntu Linux | =20.04 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| Ubuntu | =20.04 |
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Reference Links
- https://github.com/FreeRDP/FreeRDP/commit/f8890a645c221823ac133dbf991f8a65ae50d637
- https://github.com/FreeRDP/FreeRDP/issues/6005
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3x39-248q-f4q6
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
- https://usn.ubuntu.com/4379-1/
- https://usn.ubuntu.com/4382-1/
- https://launchpad.net/bugs/cve/CVE-2020-11045
- https://security-tracker.debian.org/tracker/CVE-2020-11045
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11045
- https://nvd.nist.gov/vuln/detail/CVE-2020-11045
- https://ubuntu.com/security/CVE-2020-11045
Frequently Asked Questions
What is the severity of CVE-2020-11045?
The severity of CVE-2020-11045 is classified as medium, indicating potential impact on client memory security.
How do I fix CVE-2020-11045?
To fix CVE-2020-11045, ensure that you update FreeRDP to version 2.3.0+dfsg1-2+deb11u1 or later.
What versions of FreeRDP are affected by CVE-2020-11045?
CVE-2020-11045 affects FreeRDP versions after 1.0 and before 2.0.0.
Is CVE-2020-11045 present in Debian 9.0?
Yes, CVE-2020-11045 is present in Debian 9.0 if it is running an affected version of FreeRDP.
Can CVE-2020-11045 impact Ubuntu 20.04 users?
Yes, CVE-2020-11045 can impact Ubuntu 20.04 users if they are using a vulnerable version of FreeRDP.
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