CVE-2016-5769

Impact:
Moderate
Public Date:
2016-06-23
Bugzilla:
1351070: CVE-2016-5769 php: Integer Overflows in mcrypt_generic() and mdecrypt_generic() resulting in heap overflows

The MITRE CVE dictionary describes this issue as:

Multiple integer overflows in mcrypt.c in the mcrypt extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 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 length value, related to the (1) mcrypt_generic and (2) mdecrypt_generic functions.

Find out more about CVE-2016-5769 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

The versions of PHP package shipped with Red Hat Enterprise Linux, do not have support for mcrypt.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.6
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact Low

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

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux php55-php Not affected
Red Hat Software Collections for Red Hat Enterprise Linux rh-php56-php Not affected
Red Hat Software Collections for Red Hat Enterprise Linux php54-php Not affected
Red Hat Enterprise Linux 7 php Not affected
Red Hat Enterprise Linux 6 php Not affected
Red Hat Enterprise Linux 5 php53 Not affected
Red Hat Enterprise Linux 5 php Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation