Is CVE-2018-12435 actively exploited?

CVE-2018-12435 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-12435?

CVE-2018-12435 has a CVSS score of 5.9 (MEDIUM severity). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.

How do I patch CVE-2018-12435?

Patch guidance is available from botan project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-12435.

Which products are affected by CVE-2018-12435?

1 product: botan project botan.

CVE-2018-12435 - remediation guidance & executive summary

Description

Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector: local
Complexity: high
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-200 · Information Disclosure

Metadata

Primary Vendor: BOTAN_PROJECT
Published: 6/15/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-12435

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary