PHPOK 4.9.015 admin.php?c=update&f=unzip ZIP Archive unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in PHPOK 4.9.015. Affected is an unknown function of the file admin.php?c=update&f=unzip. Such manipulation as part of ZIP Archive leads to unrestricted upload. This vulnerability is listed as CVE-2018-19562. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in PHPOK 4.9.015 and classified as critical. Affected by this issue is an unknown function of the file admin.php?c=update&f=unzip. The manipulation as part of a ZIP Archive leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in PHPok 4.9.015. admin.php?c=update&f=unzip allows remote attackers to execute arbitrary code via a "Login Background > Program Upgrade > Compressed Packet Upgrade" action in which a .php file is inside a ZIP archive.

The bug was discovered 11/25/2018. The weakness was presented 11/26/2018 (Website). The advisory is shared for download at iwantacve.cn. This vulnerability is handled as CVE-2018-19562 since 11/26/2018. 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 MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2018 🔍
11/26/2018 +1 days 🔍
11/26/2018 +0 days 🔍
11/26/2018 +0 days 🔍
11/27/2018 +1 days 🔍
04/15/2020 +505 days 🔍

Sourcesinfo

Advisory: iwantacve.cn
Status: Not defined

CVE: CVE-2018-19562 (🔍)
GCVE (CVE): GCVE-0-2018-19562
GCVE (VulDB): GCVE-100-127148

Entryinfo

Created: 11/27/2018 08:01
Updated: 04/15/2020 09:10
Changes: 11/27/2018 08:01 (56), 04/15/2020 09:10 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!