CVE-2020-7059: OOB read in php_strip_tags_ex
First published: Tue Jan 21 2020(Updated: )
A flaw was found in php before 7.4.2. An out of bounds read in php_strip_tags_ex may lead to denial of service or potentially disclosure of sensitive data. Upstream issue: <a href="https://bugs.php.net/79099">https://bugs.php.net/79099</a>
Credit: security@php.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-php73-php | <0:7.3.20-1.el7 | 0:7.3.20-1.el7 |
| redhat/php | <7.4.2 | 7.4.2 |
| debian/php7.4 | 7.4.33-1+deb11u5 7.4.33-1+deb11u7 | |
| PHP | <7.2.27 | 7.2.27 |
| PHP | >=7.2.0<7.2.27 | |
| PHP | >=7.3.0<7.3.14 | |
| PHP | >=7.4.0<7.4.2 | |
| tenable tenable.sc | <5.19.0 | |
| Oracle Communications Diameter Signaling Router | >=8.0<=8.4 | |
| openSUSE | =15.1 | |
| Debian GNU/Linux | =8.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-7059 https://nvd.nist.gov/vuln/detail/CVE-2020-7059
- https://bugzilla.redhat.com/show_bug.cgi?id=1797776
- https://access.redhat.com/errata/RHSA-2020:3662
- https://access.redhat.com/errata/RHSA-2020:5275
- https://access.redhat.com/security/cve/cve-2020-7059
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
- https://bugs.php.net/bug.php?id=79099
- https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html
- https://seclists.org/bugtraq/2020/Feb/27
- https://seclists.org/bugtraq/2020/Feb/31
- https://seclists.org/bugtraq/2021/Jan/3
- https://security.gentoo.org/glsa/202003-57
- https://security.netapp.com/advisory/ntap-20200221-0002/
- https://usn.ubuntu.com/4279-1/
- https://www.debian.org/security/2020/dsa-4626
- https://www.debian.org/security/2020/dsa-4628
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.tenable.com/security/tns-2021-14
- https://launchpad.net/bugs/cve/CVE-2020-7059
- https://www.php.net/ChangeLog-7.php#7.2.27 (Advisory)
- https://bugs.php.net/79099
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1797777
- http://git.php.net/?p=php-src.git;a=commit;h=0f79b1bf301f455967676b5129240140c5c45b09
- https://security-tracker.debian.org/tracker/CVE-2020-7059
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7059
- https://nvd.nist.gov/vuln/detail/CVE-2020-7059
- https://ubuntu.com/security/CVE-2020-7059
Frequently Asked Questions
What is CVE-2020-7059?
CVE-2020-7059 is a vulnerability in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14, and 7.4.x below 7.4.2 that allows an attacker to cause the fgetss() function to read past the allocated buffer, leading to information disclosure or crash.
What is the severity of CVE-2020-7059?
The severity of CVE-2020-7059 is critical with a CVSS score of 9.1.
How can I check if my PHP version is affected by CVE-2020-7059?
You can check if your PHP version is affected by CVE-2020-7059 by comparing it with the vulnerable versions: 7.2.x below 7.2.27, 7.3.x below 7.3.14, and 7.4.x below 7.4.2.
How do I fix CVE-2020-7059?
To fix CVE-2020-7059, you need to update your PHP version to at least 7.2.27, 7.3.14, or 7.4.2, depending on the branch you are using.
Where can I find more information about CVE-2020-7059?
You can find more information about CVE-2020-7059 in the references provided: [Reference 1](https://bugs.php.net/79099), [Reference 2](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1797777), [Reference 3](http://git.php.net/?p=php-src.git;a=commit;h=0f79b1bf301f455967676b5129240140c5c45b09).
- collector/redhat-cve
- collector/launchpad-cve
- source/Launchpad
- agent/type
- agent/severity
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-7059
- agent/software-canonical-lookup
- agent/title
- agent/first-publish-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/event
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/trending
- agent/source
- collector/php-changelog
- source/PHP
- agent/software-canonical-lookup-request
- agent/author
- collector/nvd-cve
- source/NVD
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- package-manager/redhat
- package-manager/debian
- vendor/php
- canonical/php
- version/php/7.2.0
- version/php/7.3.0
- version/php/7.4.0
- vendor/tenable
- canonical/tenable tenable.sc
- vendor/oracle
- canonical/oracle communications diameter signaling router
- version/oracle communications diameter signaling router/8.0
- version/oracle communications diameter signaling router/8.4
- vendor/opensuse
- canonical/opensuse
- version/opensuse/15.1
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0