FreeRDP 2.0.0-beta1+android11 license_recv Packet input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in FreeRDP 2.0.0-beta1+android11. Affected is the function license_recv. Such manipulation as part of Packet leads to input validation.
This vulnerability is referenced as CVE-2017-2837. It is possible to launch the attack remotely. No exploit is available.
The affected component should be upgraded.
Details
A vulnerability was found in FreeRDP 2.0.0-beta1+android11 and classified as problematic. Affected by this issue is the function license_recv. The manipulation as part of a Packet leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is availability. CVE summarizes:
An exploitable denial of service vulnerability exists within the handling of security data 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.
The bug was discovered 07/24/2017. The weakness was published 04/24/2018 by Tyler Bohan with Cisco Talos (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2017-2837 since 12/01/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 40 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102945 (openSUSE Security Update : freerdp (openSUSE-2017-992)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176103 (Debian Security Update for freerdp (DSA 3923-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (102945) and SecurityFocus (BID 99942†). Similar entries are available at VDB-117047, VDB-117048, VDB-117049 and VDB-117051. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CNA Base Score: 6.5
CNA Vector (Talos): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 102945
Nessus Name: openSUSE Security Update : freerdp (openSUSE-2017-992)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for remmina FEDORA-2017-ed31e1f941
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/01/2016 🔍07/24/2017 🔍
07/25/2017 🔍
09/02/2017 🔍
09/05/2017 🔍
04/24/2018 🔍
04/24/2018 🔍
04/25/2018 🔍
03/07/2023 🔍
Sources
Advisory: securityfocus.com⛔Researcher: Tyler Bohan
Organization: Cisco Talos
Status: Not defined
CVE: CVE-2017-2837 (🔍)
GCVE (CVE): GCVE-0-2017-2837
GCVE (VulDB): GCVE-100-117050
OVAL: 🔍
SecurityFocus: 99942 - FreeRDP Multiple Denial of Service and Remote Code Execution Vulnerabilities
See also: 🔍
Entry
Created: 04/25/2018 10:22Updated: 03/07/2023 11:45
Changes: 04/25/2018 10:22 (76), 04/16/2020 12:11 (5), 03/07/2023 11:45 (14)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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