Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

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

Low

Cvss 3 Severity Score

7.5

Score breakdown

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 (1.0.1)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=baaabfd8fdcec04a691695fad9a664bea43202b6 (1.0.2)
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

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Does not exist

yakkety Does not exist

zesty Does not exist

precise Ignored
(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