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CVE-2022-4291

Aswjsflt.dll in Avast Antivirus windows caused a crash of the Mozilla Firefox browser due to heap corruption

Published: Dec 7, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-119
NVD MITRE
7.7CVSSHIGH
EPSS Score
0.4%
Top 66.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

The aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable. This issue was fixed in version 18.0.1478 of the Script Shield Component.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:HI:HA:L
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-119CWE-787

Affected Products

script shieldavast
On-prem
Security Products / endpoint-av-edr
Avast AntivirusNortonLifelock
Mixed
Security Products / endpoint-av-edr
Script ShieldAvast Software sro
On-prem
Security Products / endpoint-av-edr
avastcommercialCZSecurity Productsaka avast antivirus, avast free antivirus
nortonlifelockcommercialUSSecurity Productsaka avira security, avast antivirus, avg antivirus, norton life lock
avast software srocommercialCZSecurity Productsaka avast antivirus, avast premium security, avast business antivirus for linux

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://support.norton.com/sp/static/external/tools/security-advisories.html
support.norton.com
https://nvd.nist.gov/vuln/detail/CVE-2022-4291
nvd.nist.gov

Timeline

Published
Dec 7, 2022
Last Updated
Nov 21, 2024

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