Executive Summary

Summary
Title libmspack vulnerability
Informations
Name USN-4066-1 First vendor Publication 2019-07-18
Vendor Ubuntu Last vendor Modification 2019-07-18
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:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

libmspack could be made to expose sensitive information if it received a specially crafted CHM file.

Software Description: - libmspack: library for Microsoft compression formats

Details:

It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 18.04 LTS:
libmspack0 0.6-3ubuntu0.3

Ubuntu 16.04 LTS:
libmspack0 0.5-1ubuntu0.16.04.4

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

References:
https://usn.ubuntu.com/4066-1
CVE-2019-1010305

Package Information:
https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.3
https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.4

Original Source

Url : http://www.ubuntu.com/usn/USN-4066-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 4
Os 2
Os 2

Alert History

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0
1
2
Date Informations
2019-07-30 21:22:05
  • Multiple Updates
2019-07-22 21:22:10
  • Multiple Updates
2019-07-19 05:19:16
  • First insertion