Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | NETWORK |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Type: Secondary
Exploitability Score: 3.9
Impact Score: 5.9
| Source | Type | Description |
|---|---|---|
| 3ff69d7a-14f2-4f67-a097-88dee7810d18 | Secondary |
en
CWE-122
|
| [email protected] | Primary |
en
CWE-787
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| gnu | glibc | * | <built-in method update of dict object at 0x702bdd9bd000> | Application |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* |