Home / mailings [RHSA-2022:7340-01] Moderate: php-pear security update
Posted on 02 November 2022
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: php-pear security update
Advisory ID: RHSA-2022:7340-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7340
Issue date: 2022-11-02
CVE Names: CVE-2020-28948 CVE-2020-28949 CVE-2020-36193
=====================================================================
1. Summary:
An update for php-pear is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
3. Description:
The php-pear package contains the PHP Extension and Application Repository
(PEAR), a framework and distribution system for reusable PHP components.
Security Fix(es):
* Archive_Tar: allows an unserialization attack because phar: is blocked
but PHAR: is not blocked (CVE-2020-28948)
* Archive_Tar: improper filename sanitization leads to file overwrites
(CVE-2020-28949)
* Archive_Tar: directory traversal due to inadequate checking of symbolic
links (CVE-2020-36193)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing the updated packages, the httpd daemon must be restarted
for the update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1904001 - CVE-2020-28948 Archive_Tar: allows an unserialization attack because phar: is blocked but PHAR: is not blocked
1910323 - CVE-2020-28949 Archive_Tar: improper filename sanitization leads to file overwrites
1942961 - CVE-2020-36193 Archive_Tar: directory traversal due to inadequate checking of symbolic links
6. Package List:
Red Hat Enterprise Linux Server (v. 7):
Source:
php-pear-1.9.4-23.el7_9.src.rpm
noarch:
php-pear-1.9.4-23.el7_9.noarch.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
php-pear-1.9.4-23.el7_9.src.rpm
noarch:
php-pear-1.9.4-23.el7_9.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-28948
https://access.redhat.com/security/cve/CVE-2020-28949
https://access.redhat.com/security/cve/CVE-2020-36193
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
