RealTerm Serial Terminal 2.0.0.70 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Port field. Attackers can paste a buffer of 1000 characters into the Port input field and click the open button to trigger a crash.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Crun Realterm
cpe:2.3:a:crun:realterm:2.0.0.70:*:*:*:*:*:*:*
|
— | — |
References 4
https://realterm.sourceforge.io/
disclosure@vulncheck.com
https://sourceforge.net/projects/realterm/files/
disclosure@vulncheck.com
https://www.exploit-db.com/exploits/46390
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/realterm-serial-terminal-denial-of-service…
disclosure@vulncheck.com