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CVE-2018-16869

MEDIUM
Published 2018-12-03T14:00:00
Actions:

Expert Analysis

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CVSS Score

V3.0
4.7
/10
CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.359
Higher than 35.9% of all CVEs

Attack Vector Metrics

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

[UNKNOWN]

nettle

Affected Versions:

n/a

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-575w-jrpq-q9xv

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-16869
WEB https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869
WEB http://cat.eyalro.net
WEB http://www.securityfocus.com/bid/106092

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

http://www.securityfocus.com/bid/106092
http://cat.eyalro.net/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869

HackerOne Reports

Container scanning and Dependency scanning report leaked to unauthorized users Medium
xanbanx
GitLab
Improper Access Control - Generic
View Report
Published: 2018-12-03T14:00:00
Last Modified: 2024-08-05T10:32:54.115Z
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