CVE-2020-11042 — In FreeRDP greater than 1
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
Published
2020-05-07T00:00:00.000Z
Last modified
2024-08-04T11:21:14.407Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| FreeRDP | FreeRDP | > 1.1, < 2.0.0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-05-07T00:00:00.000Z
- Last modified: 2024-08-04T11:21:14.407Z
09References
- github.com — https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jp6-5vf2-cx2q
- github.com — https://github.com/FreeRDP/FreeRDP/issues/6010
- github.com — https://github.com/FreeRDP/FreeRDP/commit/6b2bc41935e53b0034fe5948aeeab4f32e80f3…
- usn.ubuntu.com — https://usn.ubuntu.com/4379-1/
- usn.ubuntu.com — https://usn.ubuntu.com/4382-1/
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
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