Ubuntu Security Notice 5300-3 - USN-5300-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 21.10. It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly obtain sensitive information. It was discovered that PHP incorrectly handled certain scripts with XML parsing functions. An attacker could possibly use this issue to obtain sensitive information.
79f9d135d4d4a7c56dc43a848d48ffdb653c44069b4fe34f8a66deeb9811750f
==========================================================================
Ubuntu Security Notice USN-5300-3
March 07, 2022
php8.0 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10
Summary:
Several security issues were fixed in PHP.
Software Description:
- php8.0: HTML-embedded scripting language interpreter
Details:
USN-5300-1 fixed vulnerabilities in PHP. This update provides the
corresponding updates for Ubuntu 21.10.
Original advisory details:
It was discovered that PHP incorrectly handled certain scripts.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2015-9253, CVE-2017-8923, CVE-2017-9118, CVE-2017-9120)
It was discovered that PHP incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service,
or possibly obtain sensitive information. (CVE-2017-9119)
It was discovered that PHP incorrectly handled certain scripts with XML
parsing functions.
An attacker could possibly use this issue to obtain sensitive information.
(CVE-2021-21707)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.10:
php8.0-cgi 8.0.8-1ubuntu0.3
php8.0-cli 8.0.8-1ubuntu0.3
php8.0-fpm 8.0.8-1ubuntu0.3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5300-3
https://ubuntu.com/security/notices/USN-5300-1
CVE-2017-8923, CVE-2017-9118, CVE-2017-9120, CVE-2021-21707
Package Information:
https://launchpad.net/ubuntu/+source/php8.0/8.0.8-1ubuntu0.3