CVE-2016-5285
Published: 16 November 2016
A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, which could let a remote malicious user cause a Denial of Service.
Notes
| Author | Note |
|---|---|
| mdeslaur | per upstream bug, this was fixed in 3.25, but patch for 3.21 fixes it differently. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nss Launchpad, Ubuntu, Debian |
precise |
Released
(2:3.26.2-0ubuntu0.12.04.1)
|
| trusty |
Released
(2:3.26.2-0ubuntu0.14.04.3)
|
|
| upstream |
Released
(3.25)
|
|
| xenial |
Released
(2:3.26.2-0ubuntu0.16.04.2)
|
|
| yakkety |
Not vulnerable
(2:3.26-1ubuntu1)
|
|
| zesty |
Not vulnerable
(2:3.26-1ubuntu1)
|
|
|
Patches: upstream: https://hg.mozilla.org/projects/nss/rev/45c047d18ac4 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |