CVE-2017-10790
Published: 1 July 2017
The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a remote denial of service attack.
Notes
| Author | Note |
|---|---|
| leosilva | code is already patched in artful and bionic |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libtasn1-3 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
libtasn1-6 Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
| bionic |
Not vulnerable
|
|
| cosmic |
Not vulnerable
|
|
| disco |
Not vulnerable
|
|
| eoan |
Not vulnerable
|
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| trusty |
Released
(3.4-3ubuntu0.6)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(4.7-3ubuntu0.16.04.3)
|
|
| yakkety |
Ignored
(reached end-of-life)
|
|
| zesty |
Ignored
(reached end-of-life)
|
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |