CVE-2020-11044: Double Free in FreeRDP
First published: Thu May 07 2020(Updated: )
In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched 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 | >1.2.0<2.0.0 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Canonical Ubuntu Linux | =20.04 | |
| 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/67c2aa52b2ae0341d469071d1bc8aab91f8d2ed8
- https://github.com/FreeRDP/FreeRDP/issues/6013
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cgqh-p732-6x2w
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
- https://usn.ubuntu.com/4379-1/
- https://launchpad.net/bugs/cve/CVE-2020-11044
- https://security-tracker.debian.org/tracker/CVE-2020-11044
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11044
- https://nvd.nist.gov/vuln/detail/CVE-2020-11044
- https://ubuntu.com/security/CVE-2020-11044
Frequently Asked Questions
What is CVE-2020-11044?
CVE-2020-11044 is a vulnerability in FreeRDP that allows a double free in update_read_cache_bitmap_v3_order to crash the client application if corrupted data from a manipulated server is parsed.
How severe is CVE-2020-11044?
CVE-2020-11044 has a severity rating of 2.2 (low).
How can I fix CVE-2020-11044?
Update to FreeRDP version 2.0.0 or higher, which includes the patch for CVE-2020-11044.
Where can I find more information about CVE-2020-11044?
You can find more information about CVE-2020-11044 on the MITRE CVE website and the FreeRDP GitHub security advisory.
Is Ubuntu affected by CVE-2020-11044?
Yes, Ubuntu versions 18.04, 19.10, and 20.04 are affected by CVE-2020-11044.
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