CVE-2022-2313
DLL high jacking in Trellix Agent
No known exploitation. EPSS puts it in the 26th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A DLL hijacking vulnerability in the MA Smart Installer for Windows prior to 5.7.7, which allows local users to execute arbitrary code and obtain higher privileges via careful placement of a malicious DLL into the folder from where the Smart installer is being executed.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.4% chance of exploitation activity in the next 30 days, which ranks it in the 26th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 848 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Scored 8.2 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- PersistenceT1574Hijack Execution Flowhigh confidence
Sources
References in the record
- kcm.trellix.com/corporate/index?page=content&id=SB10385&actp=null&viewlocale=en_US&showDraft=false&platinum_status=false&locale=en_US
- kcm.trellix.com/corporate/index?page=content&id=SB10385&actp=null&viewlocale=en_US&showDraft=false&platinum_status=false&locale=en_US
- nvd.nist.gov/vuln/detail/CVE-2022-2313
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