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CVE-2023-48706
Date: November 22, 2023
Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a ":s" command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive ":s" call causes free-ing of memory which may later then be accessed by the initial ":s" command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.
Language: C
Severity Score
Related Resources (12)
Severity Score
Weakness Type (CWE)
Use After Free
CWE-416CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | LOW |