Chamilo LMS 1.11.x .htaccess course_intro_pdf_import.php code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Chamilo LMS 1.11.x. Affected by this issue is some unknown functionality of the file course_intro_pdf_import.php of the component .htaccess Handler. The manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2021-35413. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Chamilo LMS 1.11.x (Content Management System) and classified as critical. This issue affects some unknown processing of the file course_intro_pdf_import.php of the component .htaccess Handler. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The weakness was shared 12/04/2021. The advisory is shared at support.chamilo.org. The identification of this vulnerability is CVE-2021-35413 since 06/23/2021. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

By approaching the search of inurl:course_intro_pdf_import.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 2e5c004b57d551678a1815500ef91524ba7bb757 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

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: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2e5c004b57d551678a1815500ef91524ba7bb757

Timelineinfo

06/23/2021 🔍
12/04/2021 +164 days 🔍
12/04/2021 +0 days 🔍
12/09/2021 +5 days 🔍

Sourcesinfo

Advisory: 2e5c004b57d551678a1815500ef91524ba7bb757
Status: Confirmed

CVE: CVE-2021-35413 (🔍)
GCVE (CVE): GCVE-0-2021-35413
GCVE (VulDB): GCVE-100-187529

Entryinfo

Created: 12/04/2021 01:11
Updated: 12/09/2021 08:46
Changes: 12/04/2021 01:11 (40), 12/09/2021 08:43 (2), 12/09/2021 08:46 (20)
Complete: 🔍
Cache ID: 216::103

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

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