Discuz! up to 2.5 Background Database Backup input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Discuz! up to 2.5 and classified as critical. The impacted element is an unknown function of the component Background Database Backup. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2018-14729. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Discuz! up to 2.5. It has been declared as critical. This vulnerability affects an unknown code of the component Background Database Backup. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The database backup feature in upload/source/admincp/admincp_db.php in Discuz! 2.5 and 3.4 allows remote attackers to execute arbitrary PHP code.

The weakness was released 08/27/2018 by MitAh as not defined advisory (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-14729 since 07/28/2018. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

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: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/28/2018 🔍
08/27/2018 +29 days 🔍
10/22/2018 +56 days 🔍
04/05/2020 +531 days 🔍

Sourcesinfo

Advisory: github.com
Researcher: MitAh
Status: Not defined

CVE: CVE-2018-14729 (🔍)
GCVE (CVE): GCVE-0-2018-14729
GCVE (VulDB): GCVE-100-125836

Entryinfo

Created: 10/22/2018 11:29
Updated: 04/05/2020 21:15
Changes: 10/22/2018 11:29 (53), 04/05/2020 21:15 (2)
Complete: 🔍
Submitter: edward.zhong
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #39: Discuz! 1.5-2.5 CVE-2018-14729 – Command execution (by edward.zhong)

Once again VulDB remains the best source for vulnerability data.

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