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AUSCERT External Security Bulletin Redistribution
ESB-2019.0717.2
USN-3902: PHP vulnerabilities
13 March 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: php
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9024 CVE-2019-9023 CVE-2019-9022
CVE-2019-9021 CVE-2019-9020
Reference: ESB-2019.0632
Original Bulletin:
https://usn.ubuntu.com/3902-1/
https://usn.ubuntu.com/3902-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: March 13 2019: Added USN-3902-2
March 7 2019: Initial Release
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USN-3902-1: PHP vulnerabilities
6 March 2019
php5, php7.0 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 16.04 LTS
o Ubuntu 14.04 LTS
Summary
Several security issues were fixed in PHP.
Software Description
o php7.0 - HTML-embedded scripting language interpreter
o php5 - HTML-embedded scripting language interpreter
Details
It was discovered that the PHP XML-RPC module incorrectly handled decoding XML
data. A remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2019-9020, CVE-2019-9024)
It was discovered that the PHP PHAR module incorrectly handled certain
filenames. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9021)
It was discovered that PHP incorrectly parsed certain DNS responses. A remote
attacker could possibly use this issue to cause PHP to crash, resulting in a
denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2019-9022)
It was discovered that PHP incorrectly handled mbstring regular expressions. A
remote attacker could possibly use this issue to cause PHP to crash, resulting
in a denial of service. (CVE-2019-9023)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.2
php7.0-cgi - 7.0.33-0ubuntu0.16.04.2
php7.0-cli - 7.0.33-0ubuntu0.16.04.2
php7.0-fpm - 7.0.33-0ubuntu0.16.04.2
php7.0-mbstring - 7.0.33-0ubuntu0.16.04.2
php7.0-xmlrpc - 7.0.33-0ubuntu0.16.04.2
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.27
php5-cgi - 5.5.9+dfsg-1ubuntu4.27
php5-cli - 5.5.9+dfsg-1ubuntu4.27
php5-fpm - 5.5.9+dfsg-1ubuntu4.27
php5-xmlrpc - 5.5.9+dfsg-1ubuntu4.27
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-9020
o CVE-2019-9021
o CVE-2019-9022
o CVE-2019-9023
o CVE-2019-9024
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USN-3902-2: PHP vulnerabilities
12 March 2019
php5 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in PHP.
Software Description
o php5 - HTML-embedded scripting language interpreter
Details
USN-3902-1 fixed a vulnerability in PHP. This update provides the corresponding
update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that the PHP XML-RPC module incorrectly handled decoding XML
data. A remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2019-9020, CVE-2019-9024)
It was discovered that the PHP PHAR module incorrectly handled certain
filenames. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9021)
It was discovered that PHP incorrectly handled mbstring regular expressions. A
remote attacker could possibly use this issue to cause PHP to crash, resulting
in a denial of service. (CVE-2019-9023)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.33
php5-cgi - 5.3.10-1ubuntu3.33
php5-cli - 5.3.10-1ubuntu3.33
php5-fpm - 5.3.10-1ubuntu3.33
php5-xmlrpc - 5.3.10-1ubuntu3.33
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
o USN-3902-1
o CVE-2019-9020
o CVE-2019-9021
o CVE-2019-9023
o CVE-2019-9024
(C) 2019 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
Canonical Ltd.
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