vulnerabilités nodejs LTS – fs.realpath.native may cause buffer overflow
| Advisory ID | CVE Number | Date discovered | Severity | Advisory revision |
|---|---|---|---|---|
| STORM-2020-027 | CVE-2020-8252 | 09/18/2020 | high | v3 |
Vulnerability details
Vulnerability in nodeJS that could allow buffer overflown attack due to the use of fs.realpath.native function.
Impacted products
| Products | Severity | Detail |
|---|---|---|
| Stormshield Network Security | high | SMC is Impacted |
Revisions
| Version | Date | Description |
|---|---|---|
| v1 | 12/10/2020 | Initial release |
| v2 | 29/10/2020 | Modification of the target distribution |
| v3 | 10/11/2020 | Modification of impacted products |
Stormshield Network Security |
CVSS v2 Overall Score: 7.9
|
Analysis |
Impacted version |
|
The vulnerability could allow an attacker to use the buffer overflow to gain access to the SMC and disable all the security devices managed by SMC |
SMC 2.6.X to 2.7.1 |
Workaround solution |
Solution |
|
There is no workaround solution. |
The 2.7.2 update will fix this vulnerability. |
| Access vector | Access complexity | Authentication | Confidentiality impact | Integrity impact | Availability impact |
|---|---|---|---|---|---|
| Adjacent Network | Low | Single | Complete | Complete | Complete |
| CVSS Base score: 7.7 | CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C) |
| Exploitability | Remediation Level | Report Confidence |
|---|---|---|
| Unproven that exploit exists | Official fix | Confirmed |
| CVSS Temporal score: 5.7 | CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C/E:U/RL:OF/RC:C) |
| Collateral Damage Potential | Target Distribution |
|---|---|
| High | High [76-100%] |
| CVSS Environmental score: 7.9 | CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C/E:U/RL:OF/RC:C/CDP:H/TD:H/CR:ND/IR:ND/AR:ND) |