CVE-2017-1000385
erlang - security update
5.9
MEDIUM
CVSS 3.1
EPSS 83.3%
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).
How to fix CVE-2017-1000385
To remediate CVE-2017-1000385, upgrade the affected package to a fixed version below.
- Debian/erlang—upgrade to 1:20.1.7+dfsg-1 or later
- —upgrade to 1:15.b.1-dfsg-4+deb7u2 or later
- —upgrade to 1:17.3-dfsg-4+deb8u2 or later
Is CVE-2017-1000385 being exploited?
Likely — EPSS is 83.3%, placing CVE-2017-1000385 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 1:20.1.7+dfsg-1
- from 0, < 1:15.b.1-dfsg-4+deb7u2
- from 0, < 1:17.3-dfsg-4+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |