vBulletin up to 5.5.4 URL /core/vb/vurl.php file access

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 (≈)
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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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in vBulletin up to 5.5.4. This affects an unknown function of the file /core/vb/vurl.php of the component URL Handler. Performing a manipulation results in file access. This vulnerability was named CVE-2019-17130. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in vBulletin up to 5.5.4 (Forum Software). It has been classified as critical. This affects some unknown processing of the file /core/vb/vurl.php of the component URL Handler. The manipulation with an unknown input leads to a file access vulnerability. CWE is classifying the issue as CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

vBulletin through 5.5.4 mishandles external URLs within the /core/vb/vurl.php file and the /core/vb/vurl directories.

The weakness was presented 10/04/2019. This vulnerability is uniquely identified as CVE-2019-17130 since 10/04/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1083 for this issue.

By approaching the search of inurl:core/vb/vurl.php it is possible to find vulnerable targets with Google Hacking.

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

See VDB-142955 and VDB-142954 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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

10/04/2019 🔍
10/04/2019 +0 days 🔍
10/05/2019 +1 days 🔍
01/03/2024 +1551 days 🔍

Sourcesinfo

Advisory: forum.vbulletin.com
Status: Not defined

CVE: CVE-2019-17130 (🔍)
GCVE (CVE): GCVE-0-2019-17130
GCVE (VulDB): GCVE-100-142953
See also: 🔍

Entryinfo

Created: 10/05/2019 17:24
Updated: 01/03/2024 14:20
Changes: 10/05/2019 17:24 (36), 09/23/2020 10:39 (18), 01/03/2024 14:20 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

 bl4ckh4ck5 (+2)
7 years ago
if you want to know how this vulnerability work look at my twitter post where i disclose this exploit:
https://twitter.com/bl4ckh4ck5/status/1180805984484241413

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