Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.
Llamar a gethostbyaddr o gethostbyaddr_r con un nsswitch.conf configurado que especifica el backend DNS de la biblioteca en la biblioteca GNU C versión 2.34 a la versión 2.43 podría resultar en que se devuelva un nombre de host DNS no válido al llamador en violación de la especificación DNS.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
| Attack Vector | ADJACENT_NETWORK |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | LOW |
| Integrity Impact | LOW |
| Availability Impact | NONE |
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Type: Secondary
Exploitability Score: 2.8
Impact Score: 2.5
| Source | Type | Description |
|---|---|---|
| 3ff69d7a-14f2-4f67-a097-88dee7810d18 | Secondary |
en
CWE-20
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary |
en
CWE-88
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| gnu | glibc | * | <built-in method update of dict object at 0x702bdcdbd900> | Application |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* |