freerdp: Rdp Client License Read Challenge Packet Denial of Service
Published Apr 24, 2018
5.9
MEDIUMCVSS 3.1
EPSS 1.58%
Description
An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.
Affected products
-
- Version 2.0.0-beta1+android11 - Windows, OSX, LinuxStatusaffectedConstraints-
- Version
Configuration 2
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 6
freerdp
Will not fix
Red Hat Enterprise Linux 7
freerdp
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | freerdp | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | freerdp | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.58% (0.01584) | 74.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.58% (0.01584) | 74.47th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00077) | 33.49th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.08% (0.00077) | 33.28th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00076) | 31.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00066) | 27.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01036) | 27.56th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
References (8)
- http://blog.talosintelligence.com/2017/07/vulnerbility-spotlight-freerdp-multiple.html
- http://www.securityfocus.com/bid/99942 vdb-entryx_refsource_BIDBroken Link
- https://access.redhat.com/security/cve/CVE-2017-2839 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1475234 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-2839
- https://www.cve.org/CVERecord?id=CVE-2017-2839
- https://www.debian.org/security/2017/dsa-3923 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blog.talosintelligence.com/2017/07/vulnerbility-spotlight-freerdp-multiple.html | ||
| http://www.securityfocus.com/bid/99942 | vdb-entryx_refsource_BIDBroken Link | |
| https://access.redhat.com/security/cve/CVE-2017-2839 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1475234 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-2839 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-2839 | ||
| https://www.debian.org/security/2017/dsa-3923 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.