CVE-2020-7068 json
Use of freed hash key in the phar_parse_zipfile function
published 6y ago modified last mo. also BIT-libphp-2020-7068 , BIT-php-2020-7068 , BIT-php-min-2020-7068 , EUVD-2020-28202
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.
Patch / fix
- bitnami libphp 7.2.33, 7.3.21, 7.4.9
- bitnami php 7.2.33, 7.3.21, 7.4.9
- bitnami php-min 7.2.33, 7.3.21, 7.4.9
- PHP Group PHP 7.2.33, 7.3.21, 7.4.9
- php7.4 Debian 11 7.4.9-1
debian advisories DEBIAN-CVE-2020-7068
- php7.2 Ubuntu 18.04 LTS 7.2.24-0ubuntu0.18.04.8
- php7.4 Ubuntu 20.04 LTS 7.4.3-4ubuntu2.5
- php5 Ubuntu Pro 14.04 LTS 5.5.9+dfsg-1ubuntu4.29+esm14
- php7.0 Ubuntu Pro 16.04 LTS 7.0.33-0ubuntu0.16.04.16+esm1
ubuntu advisories UBUNTU-CVE-2020-7068
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- php RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- libzip RHEL 8 1.6.1-1.module+el8.3.0+6678+b09f589e
- php-gd RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- php-cli RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- php-dba RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- php-dbg RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- php-ffi RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
- php-fpm RHEL 8 7.4.19-1.module+el8.5.0+11143+cc873159
red hat advisories RHSA-2021:4213RHSA-2021:2992
- php7 SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +10 more 7.4.33-150200.3.46.2
- php7-test openSUSE Leap 15.3 7.4.33-150200.3.46.2
- php74 SLE Software Development Kit 12 SP5, SLE Module for Web and Scripting 12 7.4.33-1.47.2
- php7 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +8 more 7.2.34-150000.4.103.1
- php5 SLE Module for Web and Scripting 12 5.5.14-109.79.1
- php7 SLE Module for Web and Scripting 15 SP2, SLE Module for Package Hub 15 SP2 7.4.6-3.6.1
- php7 SLE Module for Web and Scripting 15 SP1, SLE Module for Package Hub 15 SP1 7.2.5-4.61.1
- php72 SLE Software Development Kit 12 SP5, SLE Module for Web and Scripting 12 7.2.5-1.49.1
suse advisories SUSE-SU-2022:4069-1SUSE-SU-2022:4068-1SUSE-SU-2022:4067-1SUSE-SU-2020:2477-1SUSE-SU-2020:2456-1SUSE-SU-2020:2455-1
- php7 openSUSE Tumbleweed 7.4.24-2.1
- php7 openSUSE Leap 15.2 7.4.6-lp152.2.6.1
- php7-test openSUSE Leap 15.2 7.4.6-lp152.2.6.1
- php7 openSUSE Leap 15.1 7.2.5-lp151.6.32.1
- php7-test openSUSE Leap 15.1 7.2.5-lp151.6.32.1
opensuse advisories openSUSE-SU-2024:11569-1openSUSE-SU-2020:1356-1openSUSE-SU-2020:1354-1
- php AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- libzip AlmaLinux 8 1.6.1-1.module_el8.6.0+2750+78feabcb
- php-gd AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- php-cli AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- php-dba AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- php-dbg AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- php-ffi AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
- php-fpm AlmaLinux 8 7.4.19-3.module_el8.6.0+2976+8b9a0d08
almalinux advisories ALSA-2021:4213
- php Rocky Linux 8 7.4.19-1.module+el8.5.0+696+61e7c9ba
- libzip Rocky Linux 8 1.6.1-1.module+el8.6.0+789+2130c178
- libzip Rocky Linux 8 1.6.1-1.module+el8.4.0+415+e936cba3
- php-pear Rocky Linux 8 1:1.10.12-1.module+el8.4.0+415+e936cba3
- php-pear Rocky Linux 8 1:1.10.12-1.module+el8.6.0+789+2130c178
- php-pecl-rrd Rocky Linux 8 2.0.1-1.module+el8.4.0+414+2e7afcdd
- php-pecl-zip Rocky Linux 8 1.18.2-1.module+el8.6.0+789+2130c178
- php-pecl-zip Rocky Linux 8 1.18.2-1.module+el8.4.0+415+e936cba3
rocky linux advisories RLSA-2021:4213
- php7 Alpine 3.11 7.3.22-r0
- php7 Alpine 3.9 7.2.33-r0
alpine advisories ALPINE-CVE-2020-7068
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- bugs.php.net/bug.php?id=79797 advisory
- tenable.com/security/tns-2021-14 advisory
Is CVE-2020-7068 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-7068 updated cvss 3.6
php: Use of freed hash key in the phar_parse_zipfile function
-
Red Hat Enterprise Linux 5 php, php53 Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 moreaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 7 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +18 more Red Hat Enterprise Linux 8 php, libzip, php-gd, php-cli, php-dba, php-dbg, +30 moreaffected: no fix available “Fix deferred”
-
Red Hat Software Collections rh-php72-php, rh-php72-php-gd, rh-php72-php-cli, rh-php72-php-dba, rh-php72-php-dbg, rh-php72-php-fpm, +22 moreaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux AppStream (v. 8) php 7.4.19-1.module+el8.5.0+11143+cc873159, libzip 1.6.1-1.module+el8.3.0+6678+b09f589e, php-gd 7.4.19-1.module+el8.5.0+11143+cc873159, php-cli 7.4.19-1.module+el8.5.0+11143+cc873159, php-dba 7.4.19-1.module+el8.5.0+11143+cc873159, php-dbg 7.4.19-1.module+el8.5.0+11143+cc873159, +28 morefixed: vendor fix RHSA-2021:4213
-
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php73-php 7.3.29-1.el7, rh-php73-php-gd 7.3.29-1.el7, rh-php73-php-cli 7.3.29-1.el7, rh-php73-php-dba 7.3.29-1.el7, rh-php73-php-dbg 7.3.29-1.el7, rh-php73-php-fpm 7.3.29-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-php73-php 7.3.29-1.el7, rh-php73-php-gd 7.3.29-1.el7, rh-php73-php-cli 7.3.29-1.el7, rh-php73-php-dba 7.3.29-1.el7, rh-php73-php-dbg 7.3.29-1.el7, rh-php73-php-fpm 7.3.29-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php73-php 7.3.29-1.el7, rh-php73-php-gd 7.3.29-1.el7, rh-php73-php-cli 7.3.29-1.el7, rh-php73-php-dba 7.3.29-1.el7, rh-php73-php-dbg 7.3.29-1.el7, rh-php73-php-fpm 7.3.29-1.el7, +22 morefixed: vendor fix RHSA-2021:2992
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-26-027-02 updated cvss 3.6
Festo Didactic SE MES PC
-
Festo Didactic SE MES PC shipped_with_Windows_10affected: vendor fix
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- bugs.php.net https://bugs.php.net/bug.php?id=79797 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L |
| NVD | 3.1 | 3.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L |
| NVD | 2.0 | 3.3 | AV:L/AC:M/Au:N/C:P/I:N/A:P |
| OSV | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | libphp | >=7.2.0, <7.2.33 >=7.3.0, <7.3.21 >=7.4.0, <7.4.9 |
7.2.33 7.3.21 7.4.9 |
| bitnami | php | >=7.2.0, <7.2.33 >=7.3.0, <7.3.21 >=7.4.0, <7.4.9 |
7.2.33 7.3.21 7.4.9 |
| bitnami | php-min | >=7.2.0, <7.2.33 >=7.3.0, <7.3.21 >=7.4.0, <7.4.9 |
7.2.33 7.3.21 7.4.9 |
Affected products
- PHP Group PHP
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
bugs.php.net
/bug.php?id=79797
exploit, mailing-list, patch, vendor-advisory, advisory
-
tenable.com
/security/tns-2021-14
patch, third-party-advisory, advisory
-
security.gentoo.org
/glsa/202009-10
vendor-advisory, third-party-advisory, advisory
-
debian.org
/security/2021/dsa-4856
vendor-advisory, third-party-advisory, advisory
-
security.netapp.com
/advisory/ntap-20200918-0005/
third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-7068
web
Sources
- CVE List CVE-2020-7068
- NVD CVE-2020-7068
- OSV BIT-libphp-2020-7068
- OSV BIT-php-2020-7068
- OSV BIT-php-min-2020-7068
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.