CVE-2016-7134
CRITICAL severity · CVSS 9.8 · Memory corruption
9.8CVSS CRITICAL
Summary
ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/php/php-src/commit/72dbb7f416160f490c4e9987040989a10ad431c7?w=1 ↗
Additional information
- NVD record
- https://github.com/php/php-src/commit/72dbb7f416160f490c4e9987040989a10ad431c7?w=1Patch
- http://openwall.com/lists/oss-security/2016/09/02/9
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/92766
- http://www.securitytracker.com/id/1036680
- https://bugs.php.net/bug.php?id=72674
- https://security.gentoo.org/glsa/201611-22