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CVE-2017-1000385

Publication date 12 December 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

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).

Status

Package Ubuntu Release Status
erlang 17.10 artful
Fixed 1:20.0.4+dfsg-1ubuntu1.1
17.04 zesty Ignored end of life
16.04 LTS xenial
Fixed 1:18.3-dfsg-1ubuntu3.1
14.04 LTS trusty
Fixed 1:16.b.3-dfsg-1ubuntu2.2

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
erlang

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-3571-1
    • Erlang vulnerabilities
    • 14 February 2018

Other references