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TI-2023-03573 Aliases CVE-2023-3824

Buffer overflow and overread in phar_dir_read()

Priority MEDIUM 62CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

Why it matters now

EPSS 0.21786 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial PHP (PHP Group): 8.0.30, 8.1.22, 8.2.8Red Hat: 4 advisoriesRed Hat: 2 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHPbefore 8.0.30; before 8.1.22; before 8.2.88.0.30, 8.1.22, 8.2.8Patch availableCNA
  • PHP VendorPHP Group Affected before 8.0.30; before 8.1.22; before 8.2.8 Fixed in 8.0.30, 8.1.22, 8.2.8 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*8.0.0 to before 8.0.30; 8.1.0 to before 8.1.22; 8.2.0 to before 8.2.9VulnerablePHP
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*38VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.30; 8.1.0 to before 8.1.22; 8.2.0 to before 8.2.9 Vulnerable ·PHP
  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

  • Fix · CNA PHP (PHP Group) Fixed in 8.0.30, 8.1.22, 8.2.8

Red Hat 4 advisories

  • RHSA-2024:10952 Released 2024-12-11 · Red Hat rating Moderate
    php:7.4 security update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.18-1.module+el8.10.0+22485+a3539972.noarch::php:7.4, libzip-1.6.1-1.module+el8.10.0+22485+a3539972.aarch64::php:7.4, libzip-1.6.1-1.module+el8.10.0+22485+a3539972.ppc64le::php:7.4 +47
  • RHSA-2024:0387 Released 2024-01-24 · Red Hat rating Moderate
    php:8.1 security update
    • Red Hat Enterprise Linux AppStream (v. 9) apcu-panel-5.1.21-1.module+el9.1.0.z+15477+cb86791d.noarch::php:8.1, php-8.1.27-1.module+el9.3.0.z+21063+f4ccb976.aarch64::php:8.1, php-8.1.27-1.module+el9.3.0.z+21063+f4ccb976.ppc64le::php:8.1 +47
  • RHSA-2023:5927 Released 2023-10-19 · Red Hat rating Important
    php:8.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.20-1.module+el8.6.0+13671+84712317.noarch::php:8.0, libzip-1.7.3-1.module+el8.6.0+13671+84712317.aarch64::php:8.0, libzip-1.7.3-1.module+el8.6.0+13671+84712317.ppc64le::php:8.0 +47
Show 1 more Red Hat advisories
  • RHSA-2023:5926 Released 2023-10-19 · Red Hat rating Important
    php security update
    • Red Hat Enterprise Linux AppStream (v. 9) php-8.0.30-1.el9_2, php-bcmath-8.0.30-1.el9_2, php-cli-8.0.30-1.el9_2 +22

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    PHP 8.0.30, 8.1.22, 8.2.8

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2023-03572 Security issue with external entity loading in XML without enabling itPriority MEDIUM 41
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:5927, RHSA-2024:10952
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:5926, RHSA-2024:0387
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat OpenShift Dev Spaces

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3824

References

Exploit 1

Advisory 1

Other 2

  • TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
  • TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
  • TI-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
  • TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
  • TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences