mediace Extension 7.6.2/7.6.3/7.6.4 on TYPO3 Checksum deserialization

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

Summaryinfo

A vulnerability was found in mediace Extension 7.6.2/7.6.3/7.6.4 on TYPO3. It has been declared as critical. Affected is an unknown function of the component Checksum Handler. Such manipulation leads to deserialization. This vulnerability is listed as CVE-2020-15086. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in mediace Extension 7.6.2/7.6.3/7.6.4 on TYPO3. Affected by this issue is some unknown processing of the component Checksum Handler. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In TYPO3 installations with the "mediace" extension from version 7.6.2 and before version 7.6.5, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. The allows to inject arbitrary data having a valid cryptographic message authentication code and can lead to remote code execution. To successfully exploit this vulnerability, an attacker must have access to at least one `Extbase` plugin or module action in a TYPO3 installation. This is fixed in version 7.6.5 of the "mediace" extension for TYPO3.

The weakness was presented 07/29/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2020-15086 since 06/25/2020. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 7.6.5 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mediace Extension 7.6.5

Timelineinfo

06/25/2020 🔍
07/29/2020 +34 days 🔍
07/30/2020 +1 days 🔍
11/06/2020 +99 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-15086 (🔍)
GCVE (CVE): GCVE-0-2020-15086
GCVE (VulDB): GCVE-100-159158

Entryinfo

Created: 07/30/2020 16:43
Updated: 11/06/2020 14:29
Changes: 07/30/2020 16:43 (39), 07/30/2020 16:48 (11), 11/06/2020 14:25 (1), 11/06/2020 14:29 (1)
Complete: 🔍
Cache ID: 216::103

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