Vulnerability · Published May 7, 2020 · Assigned by GitHub_M
CVE-2020-11042Out-of-bounds Read in FreeRDP
Medium 5.5
In plain English
A medium-severity out-of-bounds read in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | freerdp-devel | 2:2.1.1-1.el8 | ALSA-2020:4647 |
| AlmaLinux:8 | vinagre | 3.22.0-23.el8 | ALSA-2020:4647 |
| Debian:12 | freerdp2 | 2.1.1+dfsg1-1 | DEBIAN-CVE-2020-11042 |
| Rocky Linux:8 | vinagre | 0:3.22.0-23.el8 | RLSA-2020:4647 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jp6-5vf2-cx2q
- https://github.com/FreeRDP/FreeRDP/issues/6010
- https://github.com/FreeRDP/FreeRDP/commit/6b2bc41935e53b0034fe5948aeeab4f32e80f30f
- USN-4379-1 vendor-advisory
- USN-4382-1 vendor-advisory
- [debian-lts-announce] 20200829 [SECURITY] [DLA 2356-1] freerdp security update mailing-list
- [debian-lts-announce] 20231007 [SECURITY] [DLA 3606-1] freerdp2 security update mailing-list