Telegram Desktop up to 2.1.13 Protection Mechanism Filename authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Telegram Desktop up to 2.1.13. It has been rated as critical. The affected element is an unknown function of the component Protection Mechanism. This manipulation as part of Filename causes authorization. The identification of this vulnerability is CVE-2020-17448. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Telegram Desktop up to 2.1.13. It has been declared as critical. Affected by this vulnerability is an unknown function of the component Protection Mechanism. The manipulation as part of a Filename leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.

The weakness was shared 08/11/2020. This vulnerability is known as CVE-2020-17448 since 08/09/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

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

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

Productinfo

Name

Version

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: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

08/09/2020 🔍
08/11/2020 +2 days 🔍
08/12/2020 +1 days 🔍
08/12/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-17448 (🔍)
GCVE (CVE): GCVE-0-2020-17448
GCVE (VulDB): GCVE-100-159649

Entryinfo

Created: 08/12/2020 10:05
Updated: 08/12/2020 10:10
Changes: 08/12/2020 10:05 (35), 08/12/2020 10:10 (17)
Complete: 🔍
Cache ID: 216::103

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

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