CVE-2020-17448

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0	Release Notes Third Party Advisory
https://telegram.org	Vendor Advisory
https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448	Third Party Advisory
https://security.gentoo.org/glsa/202101-34	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:*

Information

Published : 2020-08-11 10:15

Updated : 2021-01-28 10:02

NVD link : CVE-2020-17448

Mitre link : CVE-2020-17448

JSON object : View

CWE

CWE-863

Incorrect Authorization

Advertisement

Products Affected

telegram

telegram_desktop

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0", "name": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://telegram.org", "name": "https://telegram.org", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448", "name": "https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202101-34", "name": "GLSA-202101-34", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-863"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-17448", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2020-08-11T17:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.1.13"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-01-28T18:02Z"}