Headline
CVE-2022-43668: Typora fails to properly neutralize JavaScript code
Typora versions prior to 1.4.4 fails to properly neutralize JavaScript code, which may result in executing JavaScript code contained in the file when opening a file with the affected product.
Published:2022/11/21 Last Updated:2022/11/21
Overview
Typora fails to properly neutralize JavaScript code.
Products Affected
- Typora versions prior to 1.4.4
Description
Typora fails to properly neutralize JavaScript code (CWE-116).
Impact
Opening a file with the affected product may lead to execute the JavaScript code inside the file.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
The developer confirms the vulnerability is fixed in Typora versions 1.4.x.
The reporter confirms that Typora version 1.4.4 is not affected.
Vendor Status
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector(AV)
Physical §
Local (L)
Adjacent (A)
Network (N)
Attack Complexity(AC)
High (H)
Low (L)
Privileges Required(PR)
High (H)
Low (L)
None (N)
User Interaction(UI)
Required ®
None (N)
Scope(S)
Unchanged (U)
Changed ©
Confidentiality Impact©
None (N)
Low (L)
High (H)
Integrity Impact(I)
None (N)
Low (L)
High (H)
Availability Impact(A)
None (N)
Low (L)
High (H)
CVSS v2 AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector(AV)
Local (L)
Adjacent Network (A)
Network (N)
Access Complexity(AC)
High (H)
Medium (M)
Low (L)
Authentication(Au)
Multiple (M)
Single (S)
None (N)
Confidentiality Impact©
None (N)
Partial §
Complete ©
Integrity Impact(I)
None (N)
Partial §
Complete ©
Availability Impact(A)
None (N)
Partial §
Complete ©
Comment
This analysis assumes that a target user downloads a crafted file and opens it with the affected product.
Credit
Eiji Mori of Flatt Security Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information