PT-2018-13228 · Openswan · Openswan

Sze Yiu Chau · Publicado 2018-09-26 · Atualizado 2019-01-10 · CVE-2018-15836

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Openswan versions prior to 2.6.50.1

Description The issue concerns the RSA implementation in the verify signed hash() function, which fails to verify the padding string value during PKCS#1 v1.5 signature verification. This allows a remote attacker to forge signatures, particularly when small public exponents are used. The IKEv2 signature verification is affected when RAW RSA keys are used.

Recommendations For versions prior to 2.6.50.1, update to version 2.6.50.1 or later to resolve the issue.

Correção

Improper Verification of Cryptographic Signature

Enumeração de Fraquezas

CWE-347

Identificadores relacionados

CVE-2018-15836

Produtos afetados

Openswan

Referências · 5

• https://github.com/xelerance/Openswan/commit/0b460be9e287fd335c8ce58129c67bf06065ef51 · Aviso do Fabricante
• https://github.com/xelerance/Openswan/commit/9eaa6c2a823c1d2b58913506a15f9474bf857a3d · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2018-15836 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2018-15836 · Aviso do Fabricante
• https://lists.openswan.org/pipermail/users/2018-August/023761.html · Aviso do Fabricante