PHP up to 5.6.29/7.0.14 ext/phar/phar.c phar_parse_pharfile integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 5.6.29/7.0.14 and classified as critical. Affected by this vulnerability is the function phar_parse_pharfile of the file ext/phar/phar.c. Such manipulation leads to integer overflow. This vulnerability is documented as CVE-2016-10159. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.6.29/7.0.14 (Programming Language Software). It has been rated as critical. Affected by this issue is the function phar_parse_pharfile of the file ext/phar/phar.c. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability. CVE summarizes:

Integer overflow in the phar_parse_pharfile function in ext/phar/phar.c in PHP before 5.6.30 and 7.0.x before 7.0.15 allows remote attackers to cause a denial of service (memory consumption or application crash) via a truncated manifest entry in a PHAR archive.

The bug was discovered 01/19/2017. The weakness was released 01/24/2017 (Website). The advisory is shared for download at php.net. This vulnerability is handled as CVE-2016-10159 since 01/24/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 96799 (PHP 5.6.x < 5.6.30 Multiple DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 5.6.30 or 7.0.15 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96799) and SecurityFocus (BID 95774†). Entries connected to this vulnerability are available at VDB-67396, VDB-67398, VDB-67420 and VDB-67724. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96799
Nessus Name: PHP 5.6.x < 5.6.30 Multiple DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.6.30/7.0.15
Patch: github.com

Timelineinfo

01/19/2017 🔍
01/19/2017 +0 days 🔍
01/24/2017 +5 days 🔍
01/24/2017 +0 days 🔍
01/24/2017 +0 days 🔍
01/25/2017 +1 days 🔍
01/25/2017 +0 days 🔍
01/26/2017 +1 days 🔍
11/03/2022 +2107 days 🔍

Sourcesinfo

Product: php.org

Advisory: RHSA-2018:1296
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10159 (🔍)
GCVE (CVE): GCVE-0-2016-10159
GCVE (VulDB): GCVE-100-95876

OVAL: 🔍

SecurityFocus: 95774 - PHP CVE-2016-10159 Integer Overflow Vulnerability
OSVDB: - CVE-2016-10159 - PHP - Integer Overflow Issue
SecurityTracker: 1037659

See also: 🔍

Entryinfo

Created: 01/25/2017 10:40
Updated: 11/03/2022 10:53
Changes: 01/25/2017 10:40 (67), 07/31/2020 06:55 (6), 11/03/2022 10:47 (4), 11/03/2022 10:53 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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