Forge has signature forgery in RSA-PKCS due to ASN.1 extra field
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.5%
probabilidade de exploração
0.5%top 60% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Produtos afetados
digitalbazaar · forgeReferências
https://access.redhat.com/errata/RHSA-2026:13826https://access.redhat.com/errata/RHSA-2026:19375https://access.redhat.com/errata/RHSA-2026:21017https://access.redhat.com/errata/RHSA-2026:22465https://access.redhat.com/errata/RHSA-2026:22629https://access.redhat.com/errata/RHSA-2026:22840https://access.redhat.com/errata/RHSA-2026:23361https://access.redhat.com/errata/RHSA-2026:24761https://access.redhat.com/errata/RHSA-2026:24853https://access.redhat.com/errata/RHSA-2026:34342https://access.redhat.com/errata/RHSA-2026:9742https://access.redhat.com/security/cve/CVE-2026-33894