CVE-2018-16869

nettle: Leaky data conversion exposing a manager oracle

Published Dec 3, 2018 CVSS 3.1 · 5.7 Medium EPSS 1.5% KEV · Not listed
Description
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-8660 A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Ubuntu USN Ubuntu USN USN-4990-1 Nettle vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00096}

epss

{'score': 0.00117}

Type Values Removed Values Added
Metrics epss

{'score': 0.00145}

epss

{'score': 0.00096}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 10:32 AM
Reserved
Sep 11, 2018, 12:00 AM
Status
Modified
Published
Dec 3, 2018, 2:29 PM
Modified
Jun 17, 2026, 1:44 AM
Severity
Moderate
Public date
Nov 30, 2018, 12:00 AM