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AUSCERT External Security Bulletin Redistribution
ESB-2019.1838
USN-3566-2: PHP vulnerabilities
23 May 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/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11036 CVE-2018-20783 CVE-2017-12933
CVE-2017-11362 CVE-2016-10712
Reference: ESB-2019.1366
ESB-2019.1166
ESB-2018.0433
Original Bulletin:
https://usn.ubuntu.com/3566-2/
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USN-3566-2: PHP vulnerabilities
22 May 2019
php5 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in PHP.
Software Description
o php5 - HTML-embedded scripting language interpreter
Details
USN-3566-1 fixed several vulnerabilities in PHP. This update provides the
corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
It was discovered that PHP incorrectly handled certain files. An attacker could
possibly use this issue to access sensitive information. (CVE-2018-20783)
It was discovered that PHP incorrectly handled certain files. An attacker could
possibly use this issue to access sensitive information or possibly cause a
crash, resulting in a denial of service. (CVE-2019-11036)
Original advisory details:
It was discovered that PHP incorrectly handled memory when unserializing
certain data. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 12.04 ESM. (CVE-2017-12933)
It was discovered that PHP incorrectly handled locale length. A remote attacker
could possibly use this issue to cause PHP to crash, resulting in a denial of
service. This issue only affected Ubuntu 12.04 ESM. (CVE-2017-11362)
It was discovered that PHP incorrectly handled certain stream metadata. A
remote attacker could possibly use this issue to set arbitrary metadata. This
issue only affected Ubuntu 12.04 ESM. (CVE-2016-10712)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04 ESM
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm2
php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm2
php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm2
php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm2
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.36
php5-cgi - 5.3.10-1ubuntu3.36
php5-cli - 5.3.10-1ubuntu3.36
php5-fpm - 5.3.10-1ubuntu3.36
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-3566-1
o CVE-2016-10712
o CVE-2017-11362
o CVE-2017-12933
o CVE-2018-20783
o CVE-2019-11036
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