Executive Summary

Summary
Title GD vulnerabilities
Informations
NameUSN-3900-1First vendor Publication2019-02-28
VendorUbuntuLast vendor Modification2019-02-28
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score7.5Attack RangeNetwork
Cvss Impact Score6.4Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone 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 GD.

Software Description: - libgd2: GD Graphics Library

Details:

It was discovered that GD incorrectly handled memory when processing certain images. A remote attacker could use this issue with a specially crafted image file to cause GD to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
libgd-tools 2.2.5-4ubuntu1.1
libgd3 2.2.5-4ubuntu1.1

Ubuntu 18.04 LTS:
libgd-tools 2.2.5-4ubuntu0.3
libgd3 2.2.5-4ubuntu0.3

Ubuntu 16.04 LTS:
libgd-tools 2.1.1-4ubuntu0.16.04.11
libgd3 2.1.1-4ubuntu0.16.04.11

Ubuntu 14.04 LTS:
libgd-tools 2.1.0-3ubuntu0.11
libgd3 2.1.0-3ubuntu0.11

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

References:
https://usn.ubuntu.com/usn/usn-3900-1
CVE-2019-6977, CVE-2019-6978

Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu1.1
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.3
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.11
https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.11

Original Source

Url : http://www.ubuntu.com/usn/USN-3900-1

CWE : Common Weakness Enumeration

%idName
50 %CWE-415Double Free
50 %CWE-119Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application1
Application1
Application835
Os4
Os2

Snort® IPS/IDS

DateDescription
2019-05-07PHP gdImageColorMatch heap buffer overflow file download attempt
RuleID : 49673 - Revision : 1 - Type : SERVER-OTHER
2019-05-07PHP gdImageColorMatch heap buffer overflow file upload attempt
RuleID : 49672 - Revision : 1 - Type : SERVER-OTHER

Alert History

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0
DateInformations
2019-02-28 17:18:41
  • First insertion