CVE-2015-4021

Impact:
Moderate
Public Date:
2015-05-14
Bugzilla:
1223425: CVE-2015-4021 php: memory corruption in phar_parse_tarfile caused by empty entry file name
An integer underflow flaw leading to out-of-bounds memory access was found in the way PHP's Phar extension parsed Phar archives. A specially crafted archive could cause PHP to crash or, possibly, execute arbitrary code when opened.

Find out more about CVE-2015-4021 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5.1
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php56-php) RHSA-2015:1187 2015-06-25
Red Hat Software Collections for Red Hat Enterprise Linux 7 (php55-php) RHSA-2015:1186 2015-06-25
Red Hat Enterprise Linux 7 (php) RHSA-2015:1135 2015-06-23
Red Hat Software Collections for Red Hat Enterprise Linux 7 (php54-php) RHSA-2015:1219 2015-07-09
Red Hat Software Collections for Red Hat Enterprise Linux 6 (php54-php) RHSA-2015:1219 2015-07-09
Red Hat Software Collections for Red Hat Enterprise Linux 6 (php55-php) RHSA-2015:1186 2015-06-25
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php56-php) RHSA-2015:1187 2015-06-25
Red Hat Enterprise Linux 6 (php) RHSA-2015:1218 2015-07-09

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 php Not affected
Red Hat Enterprise Linux 5 php53 Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified