CVE-2017-5340

Impact:
Moderate
Public Date:
2016-12-29
CWE:
CWE-456
Bugzilla:
1412631: CVE-2017-5340 php: Use of uninitialized memory in unserialize()

The MITRE CVE dictionary describes this issue as:

Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data.

Find out more about CVE-2017-5340 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 8.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php70-php) RHSA-2018:1296 2018-05-03
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php70-php) RHSA-2018:1296 2018-05-03

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux rh-php56-php Will not fix
Red Hat OpenShift Enterprise 2 php Will not fix
Red Hat Enterprise Linux 7 php Will not fix
Red Hat Enterprise Linux 6 php Will not fix
Red Hat Enterprise Linux 5 php53 Will not fix
Red Hat Enterprise Linux 5 php Will not fix

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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