CVE-2017-1000385
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
5.7 Medium
AI Score
Confidence
High
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
0.003 Low
EPSS
Percentile
67.9%
The Erlang otp TLS server answers with different TLS alerts to different error types in the RSA PKCS #1 1.5 padding. This allows an attacker to decrypt content or sign messages with the server’s private key (this is a variation of the Bleichenbacher attack).
References
erlang.org/pipermail/erlang-questions/2017-November/094255.html
erlang.org/pipermail/erlang-questions/2017-November/094256.html
erlang.org/pipermail/erlang-questions/2017-November/094257.html
www.securityfocus.com/bid/102197
access.redhat.com/errata/RHSA-2018:0242
access.redhat.com/errata/RHSA-2018:0303
access.redhat.com/errata/RHSA-2018:0368
access.redhat.com/errata/RHSA-2018:0528
lists.debian.org/debian-lts-announce/2017/12/msg00010.html
robotattack.org/
usn.ubuntu.com/3571-1/
www.debian.org/security/2017/dsa-4057
www.kb.cert.org/vuls/id/144389
Related
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
5.7 Medium
AI Score
Confidence
High
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
0.003 Low
EPSS
Percentile
67.9%