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CVE-2022-3616— OctoRPKI crash when maximum iterations number is reached

Quick assessment

Affected
Cloudflare OctoRPKI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cloudflare OctoRPKI是美国Cloudflare公司的Cloudflare平台的RPKI工具箱。 Cloudflare OctoRPKI 存在安全漏洞。攻击者利用该漏洞可以创建过长的CA链，导致OctoRPKI超过其最大迭代参数最终实现程序崩溃，阻止其完成验证并拒绝服务。

CVSS 5.4 · Medium EPSS 0.41% · P35

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-3616

Vulnerability Information
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Vulnerability Title
OctoRPKI crash when maximum iterations number is reached
Source: CVE Program / CVE List V5
Vulnerability Description
Attackers can create long chains of CAs that would lead to OctoRPKI exceeding its max iterations parameter. In consequence it would cause the program to crash, preventing it from finishing the validation and leading to a denial of service. Credits to Donika Mirdita and Haya Shulman - Fraunhofer SIT, ATHENE, who discovered and reported this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Cloudflare OctoRPKI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudflare OctoRPKI是美国Cloudflare公司的Cloudflare平台的RPKI工具箱。 Cloudflare OctoRPKI 存在安全漏洞。攻击者利用该漏洞可以创建过长的CA链，导致OctoRPKI超过其最大迭代参数最终实现程序崩溃，阻止其完成验证并拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cloudflare OctoRPKI 0 ~ <1.4.4 -

II. Public POCs for CVE-2022-3616

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III. Intelligence Information for CVE-2022-3616

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Vendor Advisories for CVE-2022-3616 (1)

Same Patch Batch · Cloudflare · 2022-10-28 · 6 CVEs total

CVE-2022-3320 6.7 MEDIUM Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
CVE-2022-3321 6.7 MEDIUM Lock WARP switch feature bypass on WARP mobile client for iOS
CVE-2022-3322 6.7 MEDIUM Lock WARP switch bypass on WARP mobile client using iOS quick action
CVE-2022-3337 6.7 MEDIUM Lock WARP switch bypass by removing VPN profile on iOS mobile client
CVE-2022-3512 6.7 MEDIUM Lock WARP switch bypass using warp-cli 'add-trusted-ssid' command

IV. Related Vulnerabilities

Same product: OctoRPKI
Same vendor: Cloudflare
Same weakness: CWE-754

V. Comments for CVE-2022-3616

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