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Sicherheit: Mehrere Probleme in PHP (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in PHP (Aktualisierung)
ID: USN-5006-2
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 ESM, Ubuntu 16.04 ESM
Datum: Di, 13. Juli 2021, 23:01
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21704
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21702
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7071
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7068
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21705
Applikationen: PHP
Update von: Mehrere Probleme in PHP

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-5006-2
July 13, 2021

php5, php7.0 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.0: HTML-embedded scripting language interpreter
- php5: HTML-embedded scripting language interpreter

Details:

USN-5006-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that PHP incorrectly handled certain PHAR files. A remote
attacker could possibly use this issue to cause PHP to crash, resulting in
a denial of service, or possibly obtain sensitive information. (CVE-2020-7068)

It was discovered that PHP incorrectly handled parsing URLs with passwords.
A remote attacker could possibly use this issue to cause PHP to mis-parse
the URL and produce wrong data. (CVE-2020-7071)

It was discovered that PHP incorrectly handled certain malformed XML data
when being parsed by the SOAP extension. A remote attacker could possibly
use this issue to cause PHP to crash, resulting in a denial of service.
(CVE-2021-21702)

It was discovered that PHP incorrectly handled the pdo_firebase module. A
remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2021-21704)

It was discovered that PHP incorrectly handled the FILTER_VALIDATE_URL
check. A remote attacker could possibly use this issue to perform a server-
side request forgery attack. (CVE-2021-21705)

Update instructions:

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

Ubuntu 16.04 ESM:
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16+esm1
php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm1
php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm1
php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm1

Ubuntu 14.04 ESM:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm14
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm14
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm14
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm14

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

References:
https://ubuntu.com/security/notices/USN-5006-2
https://ubuntu.com/security/notices/USN-5006-1
CVE-2020-7068, CVE-2020-7071, CVE-2021-21702, CVE-2021-21704,
CVE-2021-21705

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