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ubuntucveUbuntu.comUB:CVE-2016-0704
HistoryMar 01, 2016 - 12:00 a.m.

CVE-2016-0704

2016-03-0100:00:00
ubuntu.com
ubuntu.com
19

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

0.017 Low

EPSS

Percentile

87.5%

An oracle protection mechanism in the get_client_master_key function in
s2_srvr.c in the SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0
before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a overwrites
incorrect MASTER-KEY bytes during use of export cipher suites, which makes
it easier for remote attackers to decrypt TLS ciphertext data by leveraging
a Bleichenbacher RSA padding oracle, a related issue to CVE-2016-0800.

Notes

Author Note
mdeslaur openssl in Ubuntu is compiled with no-ssl2

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

0.017 Low

EPSS

Percentile

87.5%