CVE-2020-11046: Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP
First published: Thu May 07 2020(Updated: )
In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize that could lead to a later out-of-bounds read.
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeRDP | >1.0.0<2.0.0 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.10 | |
| Ubuntu Linux | =20.04 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| Ubuntu | =20.04 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| Ubuntu | =18.04 | |
| debian/freerdp2 | 2.3.0+dfsg1-2+deb11u1 2.3.0+dfsg1-2+deb11u2 2.10.0+dfsg1-1 |
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Reference Links
- https://github.com/FreeRDP/FreeRDP/commit/ed53cd148f43cbab905eaa0f5308c2bf3c48cc37
- https://github.com/FreeRDP/FreeRDP/issues/6006
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hx48-wmmm-mr5q
- 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-2020-11046
- https://security-tracker.debian.org/tracker/CVE-2020-11046
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11046
- https://nvd.nist.gov/vuln/detail/CVE-2020-11046
- https://ubuntu.com/security/CVE-2020-11046
Frequently Asked Questions
What is the severity of CVE-2020-11046?
CVE-2020-11046 is classified as a medium severity vulnerability due to the potential for out-of-bounds reads.
How do I fix CVE-2020-11046?
To fix CVE-2020-11046, upgrade FreeRDP to version 2.3.0+dfsg1-2+deb11u1 or later.
Which versions of FreeRDP are affected by CVE-2020-11046?
FreeRDP versions after 1.0.0 and before 2.0.0 are affected by CVE-2020-11046.
Is there a workaround for CVE-2020-11046?
There is no known workaround for CVE-2020-11046, so upgrading is the best course of action.
What platforms are impacted by CVE-2020-11046?
CVE-2020-11046 impacts multiple platforms including Debian and Ubuntu versions specified in the advisory.
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