FreeRDP up to 2.1.1 license_read_new_or_upgrade_license_packet Packet out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in FreeRDP up to 2.1.1 and classified as critical. The affected element is the function license_read_new_or_upgrade_license_packet. The manipulation as part of Packet leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2020-11099. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FreeRDP up to 2.1.1. This issue affects the function license_read_new_or_upgrade_license_packet. The manipulation as part of a Packet leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.

The weakness was disclosed 06/22/2020 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-11099 since 03/30/2020. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236628 (Alibaba Cloud Linux 3 : 0002: freerdp (ALINUX3-SA-2022:0002)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236628). The entries VDB-157096, VDB-157095, VDB-157094 and VDB-157093 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 7.4
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236628
Nessus Name: Alibaba Cloud Linux 3 : 0002: freerdp (ALINUX3-SA-2022:0002)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeRDP 2.1.2

Timelineinfo

03/30/2020 🔍
06/22/2020 +84 days 🔍
06/23/2020 +1 days 🔍
05/19/2025 +1791 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11099 (🔍)
GCVE (CVE): GCVE-0-2020-11099
GCVE (VulDB): GCVE-100-157097
See also: 🔍

Entryinfo

Created: 06/23/2020 08:45
Updated: 05/19/2025 21:25
Changes: 06/23/2020 08:45 (40), 06/23/2020 08:50 (11), 10/26/2020 12:39 (1), 10/26/2020 12:42 (1), 05/19/2025 21:25 (22)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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