CVE-2020-11058: Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP
First published: Tue May 12 2020(Updated: )
In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read. As a result, a manipulated client or server might force a disconnect due to an invalid data read. This has been fixed in 2.0.0.
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeRDP FreeRDP | >1.1.0<=2.0.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Canonical Ubuntu Linux | =20.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/freerdp2 | 2.3.0+dfsg1-2+deb11u1 2.10.0+dfsg1-1 2.11.7+dfsg1-4 |
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Reference Links
- https://github.com/FreeRDP/FreeRDP/commit/3627aaf7d289315b614a584afb388f04abfb5bbf
- https://github.com/FreeRDP/FreeRDP/issues/6011
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wjg2-2f82-466g
- 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-2020-11058
- https://security-tracker.debian.org/tracker/CVE-2020-11058
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11058
- https://nvd.nist.gov/vuln/detail/CVE-2020-11058
- https://ubuntu.com/security/CVE-2020-11058
Frequently Asked Questions
What is the severity of CVE-2020-11058?
The severity of CVE-2020-11058 is low.
Which versions of FreeRDP are affected by CVE-2020-11058?
FreeRDP versions after 1.1 and before 2.0.0 are affected by CVE-2020-11058.
How can a manipulated client or server exploit CVE-2020-11058?
A manipulated client or server might force a disconnect by exploiting the out-of-bounds read vulnerability in CVE-2020-11058.
Is there a fix for CVE-2020-11058?
Yes, CVE-2020-11058 has been fixed in version 2.0.0 of FreeRDP.
Where can I find more information about CVE-2020-11058?
You can find more information about CVE-2020-11058 at the following references: [CVE-2020-11058](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11058), [FreeRDP Security Advisory](https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wjg2-2f82-466g), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-4379-1).
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