CVE-2016-4008
Published: 14 April 2016
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libtasn1-3 Launchpad, Ubuntu, Debian |
precise |
Released
(2.10-1ubuntu1.5)
|
| trusty |
Does not exist
|
|
| upstream |
Needed
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
libtasn1-6 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Released
(3.4-3ubuntu0.4)
|
|
| upstream |
Released
(4.8)
|
|
| wily |
Released
(4.5-2ubuntu0.1)
|
|
| xenial |
Released
(4.7-3ubuntu0.16.04.1)
|
|
| yakkety |
Not vulnerable
(4.8-1)
|
|
| zesty |
Not vulnerable
(4.8-1)
|
|
|
Patches: upstream: http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=f435825c0f527a8e52e6ffbc3ad0bc60531d537e upstream: http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |