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-3882-1 First vendor Publication 2019-02-06
Vendor Ubuntu Last vendor Modification 2019-02-06
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 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in curl.

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

Details:

Wenxiang Qian discovered that curl incorrectly handled certain NTLM authentication messages. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-16890)

Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2 authentication messages. 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 applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2019-3822)

Brian Carpenter discovered that curl incorrectly handled certain SMTP responses. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. (CVE-2019-3823)

Update instructions:

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

Ubuntu 18.10:
curl 7.61.0-1ubuntu2.3
libcurl3-gnutls 7.61.0-1ubuntu2.3
libcurl3-nss 7.61.0-1ubuntu2.3
libcurl4 7.61.0-1ubuntu2.3

Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.6
libcurl3-gnutls 7.58.0-2ubuntu3.6
libcurl3-nss 7.58.0-2ubuntu3.6
libcurl4 7.58.0-2ubuntu3.6

Ubuntu 16.04 LTS:
curl 7.47.0-1ubuntu2.12
libcurl3 7.47.0-1ubuntu2.12
libcurl3-gnutls 7.47.0-1ubuntu2.12
libcurl3-nss 7.47.0-1ubuntu2.12

Ubuntu 14.04 LTS:
curl 7.35.0-1ubuntu2.20
libcurl3 7.35.0-1ubuntu2.20
libcurl3-gnutls 7.35.0-1ubuntu2.20
libcurl3-nss 7.35.0-1ubuntu2.20

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

References:
https://usn.ubuntu.com/usn/usn-3882-1
CVE-2018-16890, CVE-2019-3822, CVE-2019-3823

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.61.0-1ubuntu2.3
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.6
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.12
https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.20

Original Source

Url : http://www.ubuntu.com/usn/USN-3882-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-125 Out-of-bounds Read
25 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
25 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 134
Application 143
Application 2
Application 1
Application 1
Application 1
Application 1
Application 2
Application 2
Application 1
Application 2
Application 1
Application 1
Application 1
Hardware 7
Os 4
Os 1
Os 1
Os 1

Alert History

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0
1
2
Date Informations
2019-02-09 12:09:15
  • Multiple Updates
2019-02-07 17:21:28
  • Multiple Updates
2019-02-06 21:18:40
  • First insertion