Craft CMS 2.6.3000 Upload File JPG File injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Craft CMS 2.6.3000. The affected element is an unknown function of the component Upload File Handler. The manipulation as part of JPG File leads to injection. This vulnerability is uniquely identified as CVE-2018-3814. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Craft CMS 2.6.3000 (Content Management System) and classified as critical. This issue affects an unknown code of the component Upload File Handler. The manipulation as part of a JPG File leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension.

The bug was discovered 01/01/2018. The weakness was disclosed 01/01/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-3814 since 01/01/2018. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

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

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Injection
CWE: CWE-74 / CWE-707 / 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

01/01/2018 🔍
01/01/2018 +0 days 🔍
01/01/2018 +0 days 🔍
01/01/2018 +0 days 🔍
01/02/2018 +1 days 🔍
12/28/2019 +725 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-3814 (🔍)
GCVE (CVE): GCVE-0-2018-3814
GCVE (VulDB): GCVE-100-111227

Entryinfo

Created: 01/02/2018 09:59
Updated: 12/28/2019 15:15
Changes: 01/02/2018 09:59 (57), 12/28/2019 15:15 (1)
Complete: 🔍
Cache ID: 216::103

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