PT-2018-1453 · Zyxel · Zywall/Usg

Dennis Felsch · Publicado 2018-08-13 · Atualizado 2019-10-03 · CVE-2018-9129

Positive Technologies (AI Summary)

CVSS v2.0

5.4

Média

Vetor base

AV:N/AC:H/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions ZyXEL ZyWALL/USG series devices (affected versions not specified)

Description The issue is related to a Bleichenbacher vulnerability in the Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections. This vulnerability is associated with errors in traffic decryption. Exploitation of the vulnerability may allow a remote attacker to access protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Inadequate Encryption Strength

Enumeração de Fraquezas

CWE-326

Identificadores relacionados

BDU:2018-01004

CVE-2018-9129

Produtos afetados

Zywall/Usg

Referências · 8

• https://web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on-ipsec-ike.html · Nota
• https://news.rambler.ru/internet/40559928-issledovateli-obnaruzhili-opasnye-uyazvimosti-v-protokole-ike · Nota
• https://threatpost.ru/ike-bug-allows-authentication-bypass/27760 · Nota
• ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32%28AAPH.0%29C0_2.pdf · Nota
• https://securitylab.ru/news/495058.php · Nota
• https://bdu.fstec.ru/vul/2018-01004 · Nota de Segurança
• https://zyxel.com/support/bleichenbacher_attack_vulnerability.shtml · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2018-9129 · Nota de Segurança