CVE-2017-1000385

MEDIUM

Erlang/OTP - Observable Discrepancy in TLS RSA PKCS #1 1.5 Padding

Title source: llm
STIX 2.1

Description

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 (13)

Core 13
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3571-1/
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0528
Issue Tracking, Mailing List, Vendor Advisory mailing-list x_refsource_mlist
http://erlang.org/pipermail/erlang-questions/2017-November/094257.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2017/12/msg00010.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0242
Issue Tracking, Third Party Advisory x_refsource_misc
https://robotattack.org/
Issue Tracking, Mailing List, Vendor Advisory mailing-list x_refsource_mlist
http://erlang.org/pipermail/erlang-questions/2017-November/094256.html
Issue Tracking, Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-4057
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0368
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0303
Issue Tracking, Mailing List, Vendor Advisory mailing-list x_refsource_mlist
http://erlang.org/pipermail/erlang-questions/2017-November/094255.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102197
Issue Tracking, Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
https://www.kb.cert.org/vuls/id/144389

Scores

CVSS v3 5.9
EPSS 0.2210
EPSS Percentile 97.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-203
Status published
Products (5)
debian/debian_linux 8.0
debian/debian_linux 9.0
erlang/erlang\/otp 18.3.4.7
erlang/erlang\/otp 19.3.6.4
erlang/erlang\/otp 20.1.7
Published Dec 12, 2017
Tracked Since Feb 18, 2026