Vim heap-based Buffer Overflow (CVE-2021-3872)
| Advisory ID | CVE Number | Date discovered | Severity | Advisory revision |
|---|---|---|---|---|
| STORM-2021-064 | CVE-2021-3872 | 11/10/2021 | medium | v1 |
Vulnerability details
A vulnerability in vim can lead to buffer overflow and impact confidentiality, availability and integrity.
Impacted products
| Products | Severity | Detail |
|---|---|---|
| Stormshield Network Security | medium | SNS is impacted |
Revisions
| Version | Date | Description |
|---|---|---|
| v1 | 12/08/2021 | Initial release |
Stormshield Network Security |
CVSS v3.1 Overall Score: 5.7
|
Analysis |
Impacted version |
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An attacker can use this vulnerability to crash vim, to bypass protection mechanism, modify memory, and can possible use a rce attack. |
|
Workaround solution |
Solution |
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There is no workaround solution. |
The vulnerability is fixed in versions:
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| Attack Vector | Attack Complexity | Privileges Required | User Interaction | Scope | Confidentiality Impact | Integrity Impact | Availability impact |
|---|---|---|---|---|---|---|---|
| Local | High | High | Required | Unchanged | High | High | High |
| CVSS Base score: 6.3 | CVSS Vector: (AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H) |
| Exploit Code Maturity | Remediation Level | Report Confidence |
|---|---|---|
| Proof of concept code | Official fix | Confirmed |
| CVSS Temporal score: 5.7 | CVSS Vector: (AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C) |
| Confidentiality Requirement (CR) | Integrity Requirement (IR) | Availability Requirement (AR) |
|---|---|---|
| High | High | High |
| CVSS Environmental score: 5.7 | CVSS Vector: (AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C/CR:H/IR:H/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X) |