Lucene search

K
ubuntucveUbuntu.comUB:CVE-2020-1968
HistorySep 09, 2020 - 12:00 a.m.

CVE-2020-1968

2020-09-0900:00:00
ubuntu.com
ubuntu.com
11

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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

0.004 Low

EPSS

Percentile

72.2%

The Raccoon attack exploits a flaw in the TLS specification which can lead
to an attacker being able to compute the pre-master secret in connections
which have used a Diffie-Hellman (DH) based ciphersuite. In such a case
this would result in the attacker being able to eavesdrop on all encrypted
communications sent over that TLS connection. The attack can only be
exploited if an implementation re-uses a DH secret across multiple TLS
connections. Note that this issue only impacts DH ciphersuites and not ECDH
ciphersuites. This issue affects OpenSSL 1.0.2 which is out of support and
no longer receiving public updates. OpenSSL 1.1.1 is not vulnerable to this
issue. Fixed in OpenSSL 1.0.2w (Affected 1.0.2-1.0.2v).

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchedk2< anyUNKNOWN
ubuntu14.04noarchopenssl< anyUNKNOWN
ubuntu16.04noarchopenssl< 1.0.2g-1ubuntu4.17UNKNOWN
ubuntu18.04noarchopenssl1.0< 1.0.2n-1ubuntu5.4UNKNOWN

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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

0.004 Low

EPSS

Percentile

72.2%

Related for UB:CVE-2020-1968