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7.5High

CVE-2026-33894Forge has signature forgery in RSA-PKCS due to ASN.1 extra field

digitalbazaar forge; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Cluster Ob… Published: (7 months ago)

Description

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, RSASSA PKCS#1 v1.5 signature verification accepts forged signatures for low public exponent keys (e=3). Attackers can forge signatures by stuffing “garbage” bytes within the ASN structure in order to construct a signature that passes verification, enabling Bleichenbacher style forgery. This issue is similar to CVE-2022-24771, but adds bytes in an addition field within the ASN structure, rather than outside of it. Additionally, forge does not validate that signatures include a minimum of 8 bytes of padding as defined by the specification, providing attackers additional space to construct Bleichenbacher forgeries. Version 1.4.0 patches the issue.

Weakness (CWE): CWE-347CWE-20

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
ansible automation platform 2.5 —
cluster observability operator 1.5 —
digitalbazaar forge < 1.4.0
quay 3.10 —
quay 3.12 —
quay 3.14 —
quay 3.15 —
quay 3.16 —
quay 3.17 —
quay 3.9 —
Red Hat Cluster Observability Operator 1.5.0 all versions
Red Hat Cryostat 4 —
Red Hat Logging Subsystem for Red Hat OpenShift all versions
Red Hat Red Hat Ansible Automation Platform 2 all versions
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8 all versions
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9 all versions
Red Hat Red Hat build of Apache Camel - HawtIO 4 —
Red Hat Red Hat build of Apicurio Registry 2 all versions
Red Hat Red Hat Build of Podman Desktop all versions
Red Hat Red Hat Data Grid 8 all versions
Red Hat Red Hat Developer Hub 1.8 all versions
Red Hat Red Hat Developer Hub 1.9 all versions
Red Hat Red Hat Enterprise Linux 10 —
Red Hat Red Hat Enterprise Linux 8 —
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Fuse 7 all versions
Red Hat Red Hat Process Automation 7 —
Red Hat Red Hat Quay 3.10 all versions
Red Hat Red Hat Quay 3.12 all versions
Red Hat Red Hat Quay 3.14 all versions
Red Hat Red Hat Quay 3.15 all versions
Red Hat Red Hat Quay 3.16 all versions
Red Hat Red Hat Quay 3.17 all versions
Red Hat Red Hat Quay 3.9 all versions
rhdh 1.8 —
rhdh 1.9 —

References and patches

CPE matches (NVD) (1)
  • cpe:2.3:a:digitalbazaar:forge:*:*:*:*:*:node.js:*:* < 1.4.0

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