CVE-2018-12384

2018-09-0400:00:00

ubuntu.com

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.043 Low

EPSS

Percentile

92.3%

JSON

When handling a SSLv2-compatible ClientHello request, the server doesn’t
generate a new random value but sends an all-zero value instead. This
results in full malleability of the ClientHello for SSLv2 used for TLS 1.2
in all versions prior to NSS 3.39. This does not impact TLS 1.3.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchnss< 2:3.35-2ubuntu2.1UNKNOWN
ubuntu18.10noarchnss< 2:3.36.1-1ubuntu1.1UNKNOWN
ubuntu14.04noarchnss< 2:3.28.4-0ubuntu0.14.04.4UNKNOWN
ubuntu16.04noarchnss< 2:3.28.4-0ubuntu0.16.04.4UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	nss	< 2:3.35-2ubuntu2.1	UNKNOWN
ubuntu	18.10	noarch	nss	< 2:3.36.1-1ubuntu1.1	UNKNOWN
ubuntu	14.04	noarch	nss	< 2:3.28.4-0ubuntu0.14.04.4	UNKNOWN
ubuntu	16.04	noarch	nss	< 2:3.28.4-0ubuntu0.16.04.4	UNKNOWN