Use After Free in Php
CVE-2016-4473
/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.
Vulnerability class: Use-After-Free
EPSS: 0.168 (95.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Php — versions 5.6.0, 5.6.1, 5.6.2
- Suse Linux_enterprise_module_for_web_scripting — versions 12
- Suse Linux_enterprise_software_development_kit — versions 12
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, VDB Entry, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Patch, VDB Entry, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2016-4473?
- CVE-2016-4473 is a critical-severity vulnerability in Php, classified under Use After Free. CVSS score: 9.8/10. Published 2017-06-08.
- How severe is CVE-2016-4473?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4473 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.