Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title OpenEXR vulnerabilities
Informations
Name USN-4339-1 First vendor Publication 2020-04-27
Vendor Ubuntu Last vendor Modification 2020-04-27
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
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
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 20.04 - Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in OpenEXR.

Software Description: - openexr: tools for the OpenEXR image format

Details:

Brandon Perry discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 20.04 LTS. (CVE-2017-9111, CVE-2017-9113, CVE-2017-9115)

Tan Jie discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 20.04 LTS. (CVE-2018-18444)

Samuel Groß discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2020-11758, CVE-2020-11759, CVE-2020-11760, CVE-2020-11761, CVE-2020-11762, CVE-2020-11763, CVE-2020-11764)

It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service. (CVE-2020-11765)

Update instructions:

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

Ubuntu 20.04:
libopenexr24 2.3.0-6ubuntu0.1
openexr 2.3.0-6ubuntu0.1

Ubuntu 19.10:
libopenexr23 2.2.1-4.1ubuntu1.1
openexr 2.2.1-4.1ubuntu1.1

Ubuntu 18.04 LTS:
libopenexr22 2.2.0-11.1ubuntu1.2
openexr 2.2.0-11.1ubuntu1.2

Ubuntu 16.04 LTS:
libopenexr22 2.2.0-10ubuntu2.2
openexr 2.2.0-10ubuntu2.2

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

References:
https://usn.ubuntu.com/4339-1
CVE-2017-9111, CVE-2017-9113, CVE-2017-9115, CVE-2018-18444,
CVE-2020-11758, CVE-2020-11759, CVE-2020-11760, CVE-2020-11761,
CVE-2020-11762, CVE-2020-11763, CVE-2020-11764, CVE-2020-11765

Package Information:
https://launchpad.net/ubuntu/+source/openexr/2.3.0-6ubuntu0.1
https://launchpad.net/ubuntu/+source/openexr/2.2.1-4.1ubuntu1.1
https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.2
https://launchpad.net/ubuntu/+source/openexr/2.2.0-10ubuntu2.2

Original Source

Url : http://www.ubuntu.com/usn/USN-4339-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-125 Out-of-bounds Read
33 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
8 % CWE-193 Off-by-one Error
8 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 31
Application 338
Application 2
Application 1
Application 1
Application 5
Os 2
Os 168
Os 189
Os 50
Os 12
Os 4
Os 2
Os 1
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-02-28 Name : The remote Fedora host is missing a security update.
File : fedora_2018-b152c791cc.nasl - Type : ACT_GATHER_INFO
2018-02-28 Name : The remote Fedora host is missing a security update.
File : fedora_2018-f5d2f4ec0d.nasl - Type : ACT_GATHER_INFO
2017-10-02 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2017-274-01.nasl - Type : ACT_GATHER_INFO
2017-05-26 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_803879e9419511e79b08080027ef73ec.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2024-11-12 10:43:18
  • First insertion