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openSUSE: 2022:0679-1 Moderate: PHP7 Local Escalation and DoS Fixes

opensuse
Calendar Grey March 2, 2022
Dist Opensuse Esm H88
The recent PHP 7 update fixes several vulnerabilities, especially local privilege escalation and denial of service issues, with detailed installation instructions included
An update that fixes four vulnerabilities is now available

Description

This update for php7 fixes the following issues:

- CVE-2021-21703: Fixed local privilege escalation via PHP-FPM

(bsc#1192050).

- CVE-2021-21707: Fixed special character breaks path in xml parsing

(bsc#1193041).

- CVE-2017-8923: Fixed denial of service (application crash) when using . with a long string (zend_string_extend func in Zend/zend_string.h)

(bsc#1038980).

- CVE-2015-9253: Fixed endless loop when the master process restarts a

child process using program execution functions (bsc#1081790).

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.4:

zypper in -t patch openSUSE-SLE-15.4-2022-679=1

Package List

- openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64):

php7-wddx-7.2.5-4.89.4

php7-wddx-debuginfo-7.2.5-4.89.4

References

https://www.suse.com/security/cve/CVE-2015-9253.html

https://www.suse.com/security/cve/CVE-2017-8923.html

https://www.suse.com/security/cve/CVE-2021-21703.html

https://www.suse.com/security/cve/CVE-2021-21707.html

https://bugzilla.suse.com/1038980

https://bugzilla.suse.com/1081790

https://bugzilla.suse.com/1192050

https://bugzilla.suse.com/1193041

Announcement ID: openSUSE-SU-2022:0679-1
Rating: moderate
Affected Products: openSUSE Leap 15.4 .

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