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CVE-2016-6306

Published: 21 September 2016

The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s3_clnt.c and s3_srvr.c.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
openssl
Launchpad, Ubuntu, Debian
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)
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)
Patches:
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=52e623c4cb06fffa9d5e75c60b34b4bc130b12e9 (1.0.1)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=bb1a4866034255749ac578adb06a76335fc117b1 (1.0.1)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=ff553f837172ecb2b5c8eca257ec3c5619a4b299 (1.0.2)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=006a788c84e541c8920dd2ad85fb62b52185c519 (1.0.2)
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 needed)
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 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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H