VDB-132190 · CVE-2019-10044 · BID 107610

Telegram Desktop/App up to 1.5.11 IDN Cyrillic Character input validation

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, which was classified as critical, was found in Telegram Desktop and App up to 1.5.11. This vulnerability affects unknown code of the component IDN Handler. Executing a manipulation as part of Cyrillic Character can lead to input validation. This vulnerability is registered as CVE-2019-10044. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Telegram Desktop and App up to 1.5.11. It has been declared as critical. This vulnerability affects some unknown functionality of the component IDN Handler. The manipulation as part of a Cyrillic Character leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.

The bug was discovered 03/25/2019. The weakness was published 03/25/2019 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2019-10044 since 03/25/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 1.5.12 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: 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: Desktop/App 1.5.12

Timelineinfo

03/25/2019 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
08/07/2023 +1595 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-10044 (🔍)
GCVE (CVE): GCVE-0-2019-10044
GCVE (VulDB): GCVE-100-132190
SecurityFocus: 107610

Entryinfo

Created: 03/26/2019 12:37
Updated: 08/07/2023 08:43
Changes: 03/26/2019 12:37 (57), 05/19/2020 18:38 (2), 08/07/2023 08:43 (4)
Complete: 🔍
Cache ID: 216::103

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