Executive Summary

Summary
Title Zstandard vulnerability
Informations
Name USN-4108-1 First vendor Publication 2019-08-21
Vendor Ubuntu Last vendor Modification 2019-08-21
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:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
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Detail

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

- Ubuntu 18.04 LTS

Summary:

Zstandard could be made to execute arbitrary code if it received specially crafted input.

Software Description: - libzstd: fast lossless compression algorithm -- development files

Details:

It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

Update instructions:

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

Ubuntu 18.04 LTS:
libzstd1 1.3.3+dfsg-2ubuntu1.1
zstd 1.3.3+dfsg-2ubuntu1.1

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

References:
https://usn.ubuntu.com/4108-1
CVE-2019-11922

Package Information:
https://launchpad.net/ubuntu/+source/libzstd/1.3.3+dfsg-2ubuntu1.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4108-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Alert History

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0
Date Informations
2019-08-21 21:18:57
  • First insertion