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Information Exposure Affecting erlang package, versions <1:18.3-dfsg-1ubuntu3.1

Severity

 Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
83.28% (100th percentile)

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  • Snyk IDSNYK-UBUNTU1604-ERLANG-293098
  • published12 Dec 2017
  • disclosed12 Dec 2017
Report a new vulnerability Found a mistake?

Introduced: 12 Dec 2017

CVE-2017-1000385  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 erlang to version 1:18.3-dfsg-1ubuntu3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream erlang package and not the erlang package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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).