Is CVE-2018-9127 actively exploited?

CVE-2018-9127 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-9127?

CVE-2018-9127 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-9127?

Patch guidance is available from botan project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-9127.

Which products are affected by CVE-2018-9127?

1 product: botan project botan.

Fix CVE-2018-9127 - CRITICAL botan project botan

Description

Botan 2.2.0 - 2.4.0 (fixed in 2.5.0) improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must already have a wildcard certificate matching other hosts in the same domain. For example, b*.example.com would match some hostnames that do not begin with a 'b' character.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-295

Metadata

Primary Vendor: BOTAN_PROJECT
Published: 4/2/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-9127

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary