CVE-2017-1000385

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).

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 83.68% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory erlang.org Vendor Advisory erlang.org Vendor Advisory erlang.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3571-1/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:0528 vendor advisory
http://erlang.org/pipermail/erlang-questions/2017-November/094257.html issue tracking mailing list vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00010.html mailing list
https://access.redhat.com/errata/RHSA-2018:0242 vendor advisory
https://robotattack.org/ issue tracking third party advisory
http://erlang.org/pipermail/erlang-questions/2017-November/094256.html issue tracking mailing list vendor advisory
https://www.debian.org/security/2017/dsa-4057 issue tracking third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0368 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0303 vendor advisory
http://erlang.org/pipermail/erlang-questions/2017-November/094255.html issue tracking mailing list vendor advisory
http://www.securityfocus.com/bid/102197 vdb entry third party advisory
https://www.kb.cert.org/vuls/id/144389 issue tracking us government resource third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-1000385?
CVE-2017-1000385 has been scored as a medium severity vulnerability.
How to fix CVE-2017-1000385?
To fix CVE-2017-1000385, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-1000385 being actively exploited in the wild?
It is possible that CVE-2017-1000385 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~84% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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