PHP up to 5.6.35/7.0.29/7.1.16/7.2.4 404 Error Page ext/phar/phar_object.c Request Reflected cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in PHP up to 5.6.35/7.0.29/7.1.16/7.2.4 (Programming Language Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the file ext/phar/phar_object.c of the component 404 Error Page. The manipulation as part of a Request leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

An issue was discovered in ext/phar/phar_object.c in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. There is Reflected XSS on the PHAR 403 and 404 error pages via request data of a request for a .phar file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-5712.

The bug was discovered 04/26/2018. The weakness was published 04/29/2018 with cPanel (Website). The advisory is shared at php.net. This vulnerability is known as CVE-2018-10547 since 04/29/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 109878 (openSUSE Security Update : php5 (openSUSE-2018-465)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171128 (SUSE Enterprise Linux Security Update for php53 (SUSE-SU-2018:1294-1)).

Upgrading to version 5.6.36, 7.0.30, 7.1.17 or 7.2.5 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109878).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109878
Nessus Name: openSUSE Security Update : php5 (openSUSE-2018-465)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61614
OpenVAS Name: PHP Multiple Vulnerabilities May18 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.6.36/7.0.30/7.1.17/7.2.5

Timelineinfo

04/26/2018 🔍
04/29/2018 +2 days 🔍
04/29/2018 +0 days 🔍
04/29/2018 +0 days 🔍
04/29/2018 +0 days 🔍
04/30/2018 +1 days 🔍
05/16/2018 +16 days 🔍
05/17/2018 +1 days 🔍
03/08/2023 +1756 days 🔍

Sourcesinfo

Product: php.org

Advisory: RHSA-2019:2519
Organization: cPanel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10547 (🔍)
OVAL: 🔍

SecurityTracker: 1040807
SecurityFocus: 104022 - PHP CVE-2018-10545 Security Bypass Vulnerability

Entryinfo

Created: 04/30/2018 09:06
Updated: 03/08/2023 09:06
Changes: 04/30/2018 09:06 (82), 02/01/2020 11:06 (6), 03/08/2023 09:06 (5)
Complete: 🔍
Cache ID: 18:E25:103

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