CVE-2017-5334
Published: 11 January 2017
Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.
Notes
| Author | Note |
|---|---|
| mdeslaur | looks like this was introduced by https://gitlab.com/gnutls/gnutls/commit/2bd323f728d75c44a2d7398503178b75e5b63263 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gnutls26 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| precise |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
gnutls28 Launchpad, Ubuntu, Debian |
artful |
Released
(3.5.6-4ubuntu3)
|
| bionic |
Released
(3.5.6-4ubuntu3)
|
|
| cosmic |
Released
(3.5.6-4ubuntu3)
|
|
| disco |
Released
(3.5.6-4ubuntu3)
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(3.5.8-1)
|
|
| xenial |
Released
(3.4.10-4ubuntu1.2)
|
|
| yakkety |
Released
(3.5.3-5ubuntu1.1)
|
|
| zesty |
Released
(3.5.6-4ubuntu3)
|
|
|
Patches: upstream: https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b upstream: https://gitlab.com/gnutls/gnutls/commit/bbfd47d4bb6935b3eddae227deb9f340e2c1a69d |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |