Integer overflow in PHP - CVE-2016-3078
Published: July 20, 2022 / Updated: June 8, 2025
Vulnerability identifier: #VU110257
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-3078
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Multiple integer overflows in php_zip.c in the zip extension in PHP before 7.0.6 allow remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted call to (1) getFromIndex or (2) getFromName in the ZipArchive class.
Affected software
PHP
Fedora
php-pecl-zip
Fedora
php-pecl-zip
How to mitigate CVE-2016-3078
Install update from vendor's website.
PHP - update to 7.0.6
php-pecl-zip - addressed in versions 1.13.3-1.fc23, 1.13.3-1.fc24
php-pecl-zip - addressed in versions 1.13.3-1.fc23, 1.13.3-1.fc24
Links to Public Exploits and PoC-codes
External References
- http://www.openwall.com/lists/oss-security/2016/04/28/1
- https://bugs.php.net/bug.php?id=71923
- https://security-tracker.debian.org/tracker/CVE-2016-3078
- https://github.com/php/php-src/commit/3b8d4de300854b3517c7acb239b84f7726c1353c?w=1
- https://php.net/ChangeLog-7.php
- http://www.securitytracker.com/id/1035701
- https://www.exploit-db.com/exploits/39742/