CVE-2017-9461
Published: 6 June 2017
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
Notes
| Author | Note |
|---|---|
| leosilva | precise/esm hasn't the code affect. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
samba Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(2:4.5.8+dfsg-2ubuntu3)
|
| trusty |
Released
(2:4.3.11+dfsg-0ubuntu0.14.04.9)
|
|
| upstream |
Released
(4.5.8)
|
|
| xenial |
Released
(2:4.3.11+dfsg-0ubuntu0.16.04.8)
|
|
| yakkety |
Released
(2:4.4.5+dfsg-2ubuntu5.7)
|
|
| zesty |
Not vulnerable
(2:4.5.8+dfsg-0ubuntu0.17.04.2)
|
|
|
Patches: upstream: https://git.samba.org/?p=samba.git;a=commit;h=10c3e3923022485c720f322ca4f0aca5d7501310 upstream: https://git.samba.org/?p=samba.git;a=commit;h=f289980e5531372dd63ec483e265e48efb8cf207 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |