CVE-2023-2317

DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://starlabs.sg/advisories/23/23-2317/	Exploit Mitigation Third Party Advisory
https://support.typora.io/What's-New-1.6/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

24 Aug 2023, 20:12

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.6
References	~~(MISC) https://starlabs.sg/advisories/23/23-2317/ -~~	(MISC) https://starlabs.sg/advisories/23/23-2317/ - Exploit, Mitigation, Third Party Advisory
References	~~(MISC) https://support.typora.io/What's-New-1.6/ -~~	(MISC) https://support.typora.io/What's-New-1.6/ - Vendor Advisory
First Time		Linux Typora typora Linux linux Kernel Microsoft Microsoft windows Typora
CPE		cpe:2.3:a:typora:typora:::::::: cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::*
CWE		CWE-79

19 Aug 2023, 06:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-08-19 06:15

Updated : 2023-12-10 15:14

NVD link : CVE-2023-2317

Mitre link : CVE-2023-2317

CVE.ORG link : CVE-2023-2317

JSON object : View

Products Affected

linux

linux_kernel

microsoft

windows

typora

typora

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2023-2317", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "info@starlabs.sg", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.8}]}, "published": "2023-08-19T06:15:46.687", "references": [{"url": "https://starlabs.sg/advisories/23/23-2317/", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "source": "info@starlabs.sg"}, {"url": "https://support.typora.io/What's-New-1.6/", "tags": ["Vendor Advisory"], "source": "info@starlabs.sg"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "info@starlabs.sg", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora."}], "lastModified": "2023-08-24T20:12:21.367", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A864E61-1493-40D3-9EFB-A8124F2FE28E", "versionEndExcluding": "1.6.7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "info@starlabs.sg"}