Vulnerability in Erlang Erlang\/otp
CVE-2017-1000385
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).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.221 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.221 · newest: 0.221 · change: 0.000
Affected products
- Erlang Erlang\/otp — versions 18.3.4.7, 19.3.6.4, 20.1.7
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3571-1/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0528 (vendor-advisory)
- erlang.org/pipermail/erlang-questions/2017-November/094257.html (Vendor Advisory, mailing-list, Mailing List, Issue Tracking)
- lists.debian.org/debian-lts-announce/2017/12/msg00010.html (mailing-list)
- access.redhat.com/errata/RHSA-2018:0242 (vendor-advisory)
- robotattack.org/ (Third Party Advisory, Issue Tracking)
- erlang.org/pipermail/erlang-questions/2017-November/094256.html (Vendor Advisory, mailing-list, Mailing List, Issue Tracking)
- www.debian.org/security/2017/dsa-4057 (vendor-advisory, Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2018:0368 (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0303 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-1000385?
- CVE-2017-1000385 is a medium-severity vulnerability in Erlang Erlang\/otp, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2017-12-12.
- How severe is CVE-2017-1000385?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2017-1000385 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.