CVE-2016-6302
Published: 16 September 2016
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
Priority
Status
Package | Release | Status |
---|---|---|
openssl Launchpad, Ubuntu, Debian |
artful |
Released
(1.0.2g-1ubuntu9)
|
bionic |
Released
(1.0.2g-1ubuntu9)
|
|
cosmic |
Released
(1.0.2g-1ubuntu9)
|
|
disco |
Released
(1.0.2g-1ubuntu9)
|
|
precise |
Released
(1.0.1-4ubuntu5.37)
|
|
trusty |
Released
(1.0.1f-1ubuntu2.20)
|
|
upstream |
Released
(1.0.2i, 1.0.1u)
|
|
xenial |
Released
(1.0.2g-1ubuntu4.4)
|
|
yakkety |
Released
(1.0.2g-1ubuntu9)
|
|
zesty |
Released
(1.0.2g-1ubuntu9)
|
|
Patches: upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=1bbe48ab149893a78bf99c8eb8895c928900a16f upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=baaabfd8fdcec04a691695fad9a664bea43202b6 upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=e97763c92c655dcf4af2860b3abd2bc4c8a267f9 |
||
openssl098 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
precise |
Ignored
(end of life)
|
|
trusty |
Does not exist
(trusty was needs-triage)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
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 |