CVE-2020-11523: Integer Overflow
First published: Fri May 15 2020(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeRDP | >1.0.0<2.0.0 | |
| FreeRDP | =2.0.0 | |
| FreeRDP | =2.0.0-rc0 | |
| FreeRDP | =2.0.0-rc1 | |
| FreeRDP | =2.0.0-rc2 | |
| FreeRDP | =2.0.0-rc3 | |
| FreeRDP | =2.0.0-rc4 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| Ubuntu | =20.04 | |
| Debian | =9.0 | |
| openSUSE | =15.1 | |
| 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
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
- https://github.com/FreeRDP/FreeRDP/commits/master
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qrh-8cp8-4x42
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html
- https://pub.freerdp.com/cve/CVE-2020-11523/pocAnalysis_2.pdf
- https://usn.ubuntu.com/4379-1/
- https://usn.ubuntu.com/4382-1/
- https://launchpad.net/bugs/cve/CVE-2020-11523
- https://github.com/FreeRDP/FreeRDP/commit/ce21b9d7ecd967e0bc98ed31a6b3757848aa6c9e
- https://security-tracker.debian.org/tracker/CVE-2020-11523
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11523
- https://nvd.nist.gov/vuln/detail/CVE-2020-11523
- https://ubuntu.com/security/CVE-2020-11523
Frequently Asked Questions
What is the severity of CVE-2020-11523?
CVE-2020-11523 has a medium severity rating due to the potential for an integer overflow leading to vulnerabilities in FreeRDP.
How do I fix CVE-2020-11523?
To fix CVE-2020-11523, update FreeRDP to versions 2.3.0+dfsg1-2+deb11u1 or 2.10.0+dfsg1-1, or a later patched version.
Which versions of FreeRDP are affected by CVE-2020-11523?
FreeRDP versions greater than 1.0 up to and including 2.0.0-rc4 are affected by CVE-2020-11523.
Is my operating system vulnerable to CVE-2020-11523?
Operating systems running FreeRDP versions listed in the CVE, such as Debian and Ubuntu, may be vulnerable to CVE-2020-11523.
What type of vulnerability is CVE-2020-11523?
CVE-2020-11523 is classified as an integer overflow vulnerability that can lead to potential security risks.
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