Out-of-bounds Read Affecting php-mbstring package, versions <0:7.2.24-1.module+el8.2.0+4601+7c76a223
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS8-PHPMBSTRING-2030940
- published26 Jul 2021
- disclosed12 Nov 2018
Introduced: 12 Nov 2018
CVE-2018-20783 (opens in a new tab)How to fix?
Upgrade Centos:8 php-mbstring to version 0:7.2.24-1.module+el8.2.0+4601+7c76a223 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php-mbstring package and not the php-mbstring package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.
References
- https://access.redhat.com/security/cve/CVE-2018-20783
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=77143
- https://access.redhat.com/errata/RHSA-2020:1624
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
- https://usn.ubuntu.com/3566-2/