Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title PHP vulnerabilities
Informations
Name USN-4330-1 First vendor Publication 2020-04-15
Vendor Ubuntu Last vendor Modification 2020-04-15
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 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in PHP.

Software Description: - php7.3: server-side, HTML-embedded scripting language (metapackage) - php7.2: HTML-embedded scripting language interpreter - php7.0: HTML-embedded scripting language interpreter - php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain file uploads. An attacker could possibly use this issue to cause a crash. (CVE-2020-7062)

It was discovered that PHP incorrectly handled certain PHAR archive files. An attacker could possibly use this issue to access sensitive information. (CVE-2020-7063)

It was discovered that PHP incorrectly handled certain EXIF files. An attacker could possibly use this issue to access sensitive information or cause a crash. (CVE-2020-7064)

It was discovered that PHP incorrectly handled certain UTF strings. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 19.10. (CVE-2020-7065)

It was discovered that PHP incorrectly handled certain URLs. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10. (CVE-2020-7066)

Update instructions:

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

Ubuntu 19.10:
libapache2-mod-php7.3 7.3.11-0ubuntu0.19.10.4
php7.3-cgi 7.3.11-0ubuntu0.19.10.4
php7.3-cli 7.3.11-0ubuntu0.19.10.4
php7.3-fpm 7.3.11-0ubuntu0.19.10.4
php7.3-mbstring 7.3.11-0ubuntu0.19.10.4

Ubuntu 18.04 LTS:
libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.4
php7.2 7.2.24-0ubuntu0.18.04.4
php7.2-cgi 7.2.24-0ubuntu0.18.04.4
php7.2-cli 7.2.24-0ubuntu0.18.04.4
php7.2-fpm 7.2.24-0ubuntu0.18.04.4

Ubuntu 16.04 LTS:
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.14
php7.0-cgi 7.0.33-0ubuntu0.16.04.14
php7.0-cli 7.0.33-0ubuntu0.16.04.14
php7.0-fpm 7.0.33-0ubuntu0.16.04.14

Ubuntu 14.04 ESM:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm11
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm11
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm11
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm11

Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.45
php5-cgi 5.3.10-1ubuntu3.45
php5-cli 5.3.10-1ubuntu3.45
php5-fpm 5.3.10-1ubuntu3.45

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

References:
https://usn.ubuntu.com/4330-1
CVE-2020-7062, CVE-2020-7063, CVE-2020-7064, CVE-2020-7065,
CVE-2020-7066

Package Information:
https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.4
https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.4
https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.14

Original Source

Url : http://www.ubuntu.com/usn/USN-4330-1

CWE : Common Weakness Enumeration

% Id Name
25 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
25 % CWE-476 NULL Pointer Dereference
25 % CWE-281 Improper Preservation of Permissions
25 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 889
Application 5
Os 8
Os 3
Os 1

Alert History

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0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-04-15 21:19:56
  • First insertion