Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title curl vulnerabilities
Informations
Name USN-3993-1 First vendor Publication 2019-05-22
Vendor Ubuntu Last vendor Modification 2019-05-22
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:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in curl.

Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Wenchao Li discovered that curl incorrectly handled memory in the curl_url_set() function. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. (CVE-2019-5435)

It was discovered that curl incorrectly handled memory when receiving data from a TFTP server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-5436)

Update instructions:

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

Ubuntu 19.04:
curl 7.64.0-2ubuntu1.1
libcurl3-gnutls 7.64.0-2ubuntu1.1
libcurl3-nss 7.64.0-2ubuntu1.1
libcurl4 7.64.0-2ubuntu1.1

Ubuntu 18.10:
curl 7.61.0-1ubuntu2.4
libcurl3-gnutls 7.61.0-1ubuntu2.4
libcurl3-nss 7.61.0-1ubuntu2.4
libcurl4 7.61.0-1ubuntu2.4

Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.7
libcurl3-gnutls 7.58.0-2ubuntu3.7
libcurl3-nss 7.58.0-2ubuntu3.7
libcurl4 7.58.0-2ubuntu3.7

Ubuntu 16.04 LTS:
curl 7.47.0-1ubuntu2.13
libcurl3 7.47.0-1ubuntu2.13
libcurl3-gnutls 7.47.0-1ubuntu2.13
libcurl3-nss 7.47.0-1ubuntu2.13

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

References:
https://usn.ubuntu.com/usn/usn-3993-1
CVE-2019-5435, CVE-2019-5436

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.64.0-2ubuntu1.1
https://launchpad.net/ubuntu/+source/curl/7.61.0-1ubuntu2.4
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.7
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.13

Original Source

Url : http://www.ubuntu.com/usn/USN-3993-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Application 154
Application 143
Application 1
Application 1
Application 1
Application 2
Application 2
Application 1
Os 2
Os 1
Os 3

Alert History

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0
Date Informations
2020-03-19 13:20:11
  • First insertion