Read the docs
TI-2017-14604 Aliases CVE-2017-1000385GHSA-957c-5x9m-m7rv

The Erlang otp TLS server answers with different TLS alerts to different error types in…

Priority MEDIUM 46CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 5 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-203.

Summary

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).

Why it matters now

EPSS 0.22098 97th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 5 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:erlang:erlang\/otp:18.3.4.7:*:*:*:*:*:*:*18.3.4.7VulnerableErlang
cpe:2.3:a:erlang:erlang\/otp:19.3.6.4:*:*:*:*:*:*:*19.3.6.4VulnerableErlang
cpe:2.3:a:erlang:erlang\/otp:20.1.7:*:*:*:*:*:*:*20.1.7VulnerableErlang
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:erlang:erlang\/otp:18.3.4.7:*:*:*:*:*:*:* Versions 18.3.4.7 Vulnerable ·Erlang
  • cpe:2.3:a:erlang:erlang\/otp:19.3.6.4:*:*:*:*:*:*:* Versions 19.3.6.4 Vulnerable ·Erlang
  • cpe:2.3:a:erlang:erlang\/otp:20.1.7:*:*:*:*:*:*:* Versions 20.1.7 Vulnerable ·Erlang
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 4 advisories

  • RHSA-2018:0528 Released 2018-03-15 · Red Hat rating Low
    erlang security update
    • Red Hat OpenStack Platform 9.0 erlang-18.3.4.7-1.el7ost, erlang-asn1-18.3.4.7-1.el7ost, erlang-compiler-18.3.4.7-1.el7ost +37
  • RHSA-2018:0368 Released 2018-02-27 · Red Hat rating Low
    erlang security update
    • Red Hat OpenStack Platform 10.0 erlang-18.3.4.7-1.el7ost, erlang-asn1-18.3.4.7-1.el7ost, erlang-compiler-18.3.4.7-1.el7ost +37
  • RHSA-2018:0303 Released 2018-02-13 · Red Hat rating Low
    erlang security and bug fix update
    • Red Hat OpenStack Platform 11.0 erlang-18.3.4.7-1.el7ost, erlang-asn1-18.3.4.7-1.el7ost, erlang-compiler-18.3.4.7-1.el7ost +37
Show 1 more Red Hat advisories
  • RHSA-2018:0242 Released 2018-01-30 · Red Hat rating Low
    erlang security update
    • Red Hat OpenStack Platform 12.0 erlang-18.3.4.7-1.el7ost, erlang-asn1-18.3.4.7-1.el7ost, erlang-compiler-18.3.4.7-1.el7ost +37

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix planned: Will not fix
CloudForms Management Engine 5.10Fixed—
Red Hat OpenStack Platform 10.0Fixed RHSA-2018:0368
Red Hat OpenStack Platform 11.0Fixed RHSA-2018:0303
Red Hat OpenStack Platform 12.0Fixed RHSA-2018:0242
Red Hat OpenStack Platform 9.0Fixed RHSA-2018:0528

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000385
  2. 2026-10-03 Alias added: GHSA-957c-5x9m-m7rv

References

Advisory 11

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences