Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title FreeRDP vulnerabilities
Informations
Name USN-3380-1 First vendor Publication 2017-08-07
Vendor Ubuntu Last vendor Modification 2017-08-07
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in FreeRDP.

Software Description: - freerdp: RDP client for Windows Terminal Services

Details:

It was discovered that FreeRDP incorrectly handled certain width and height values. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. (CVE-2014-0250)

It was discovered that FreeRDP incorrectly handled certain values in a Scope List. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-0791)

Tyler Bohan discovered that FreeRDP incorrectly handled certain length values. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-2834, CVE-2017-2835)

Tyler Bohan discovered that FreeRDP incorrectly handled certain packets. A malicious server could possibly use this issue to cause FreeRDP to crash, resulting in a denial of service. (CVE-2017-2836, CVE-2017-2837, CVE-2017-2838, CVE-2017-2839)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04:
libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-10ubuntu1.1

Ubuntu 16.04 LTS:
libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2

Ubuntu 14.04 LTS:
libfreerdp1 1.0.2-2ubuntu1.1

In general, a standard system update will make all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3380-1
CVE-2014-0250, CVE-2014-0791, CVE-2017-2834, CVE-2017-2835,
CVE-2017-2836, CVE-2017-2837, CVE-2017-2838, CVE-2017-2839

Package Information:

https://launchpad.net/ubuntu/+source/freerdp/1.1.0~git20140921.1.440916e+dfsg1-10ubuntu1.1

https://launchpad.net/ubuntu/+source/freerdp/1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2
https://launchpad.net/ubuntu/+source/freerdp/1.0.2-2ubuntu1.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3380-1

CWE : Common Weakness Enumeration

% Id Name
29 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
29 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)
29 % CWE-189 Numeric Errors (CWE/SANS Top 25)
14 % CWE-295 Certificate Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4
Os 2
Os 2

Snort® IPS/IDS

Date Description
2017-05-25 FreeRDP invalid MCS serverRandomLen out of bounds read attempt
RuleID : 42998 - Revision : 3 - Type : PROTOCOL-OTHER
2017-05-25 FreeRDP invalid EncryptedPlatformChallenge null pointer dereference attempt
RuleID : 42975 - Revision : 3 - Type : PROTOCOL-OTHER
2017-05-25 FreeRDP invalid cbCompanyName out of bounds read attempt
RuleID : 42974 - Revision : 3 - Type : PROTOCOL-OTHER
2017-05-25 FreeRDP RSA modulus length integer underflow attempt
RuleID : 42973 - Revision : 3 - Type : PROTOCOL-OTHER
2017-05-18 FreeRDP PER length integer underflow attempt
RuleID : 42941 - Revision : 3 - Type : PROTOCOL-OTHER

Nessus® Vulnerability Scanner

Date Description
2017-09-11 Name : The remote Debian host is missing a security update.
File : debian_DLA-1095.nasl - Type : ACT_GATHER_INFO
2017-09-05 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-992.nasl - Type : ACT_GATHER_INFO
2017-08-23 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-2234-1.nasl - Type : ACT_GATHER_INFO
2017-08-09 Name : The remote Fedora host is missing one or more security updates.
File : fedora_2017-ed31e1f941.nasl - Type : ACT_GATHER_INFO
2017-08-08 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3380-1.nasl - Type : ACT_GATHER_INFO
2017-08-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3923.nasl - Type : ACT_GATHER_INFO
2017-08-01 Name : The remote Fedora host is missing one or more security updates.
File : fedora_2017-4bc09c2364.nasl - Type : ACT_GATHER_INFO
2016-10-13 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2016-2506-1.nasl - Type : ACT_GATHER_INFO
2016-09-28 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2016-1131.nasl - Type : ACT_GATHER_INFO
2016-09-28 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2016-1132.nasl - Type : ACT_GATHER_INFO
2015-03-31 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2015-171.nasl - Type : ACT_GATHER_INFO
2014-12-15 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201412-18.nasl - Type : ACT_GATHER_INFO
2014-07-02 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2014-452.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2018-10-31 00:23:45
  • Multiple Updates
2017-08-09 13:25:21
  • Multiple Updates
2017-08-07 21:22:41
  • First insertion