CVE-2020-11048: Out-of-bounds Read in FreeRDPrdp_read_flow_control_pdu
First published: Thu May 07 2020(Updated: )
In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. 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 | >=1.0.0<2.0.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Canonical Ubuntu Linux | =20.04 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =18.04 | |
| 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/9301bfe730c66180263248b74353daa99f5a969b
- https://github.com/FreeRDP/FreeRDP/issues/6007
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hv8w-f2hx-5gcv
- 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-2020-11048
- https://security-tracker.debian.org/tracker/CVE-2020-11048
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11048
- https://nvd.nist.gov/vuln/detail/CVE-2020-11048
- https://ubuntu.com/security/CVE-2020-11048
Frequently Asked Questions
What is the severity of CVE-2020-11048?
The severity of CVE-2020-11048 is low.
How can I exploit CVE-2020-11048?
CVE-2020-11048 can only be used to abort a session, no data extraction is possible.
Which version of FreeRDP is affected by CVE-2020-11048?
FreeRDP versions after 1.0 and before 2.0.0 are affected by CVE-2020-11048.
How do I fix CVE-2020-11048?
Update FreeRDP to version 2.0.0 or higher to fix CVE-2020-11048.
Where can I find more information about CVE-2020-11048?
You can find more information about CVE-2020-11048 on the CVE website (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11048) and the FreeRDP GitHub page (https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hv8w-f2hx-5gcv).
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