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I. Basic Information for CVE-2021-39229
Vulnerability Information

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Vulnerability Title
Regular expression deinal of service in apprise
Source: NVD (National Vulnerability Database)
Vulnerability Description
Apprise is an open source library which allows you to send a notification to almost all of the most popular notification services available. In affected versions users who use Apprise granting them access to the IFTTT plugin (which just comes out of the box) are subject to a denial of service attack on an inefficient regular expression. The vulnerable regular expression is [here](https://github.com/caronc/apprise/blob/0007eade20934ddef0aba38b8f1aad980cfff253/apprise/plugins/NotifyIFTTT.py#L356-L359). The problem has been patched in release version 0.9.5.1. Users who are unable to upgrade are advised to remove `apprise/plugins/NotifyIFTTT.py` to eliminate the service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apprise 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apprise是用于几乎所有平台的推送通知。 Apprise 存在资源管理错误漏洞,该漏洞允许攻击者进行ReDoS(正则表达式拒绝服务)的攻击。
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
VendorProductAffected VersionsCPESubscribe
caroncapprise < 0.9.5.1 -
II. Public POCs for CVE-2021-39229
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III. Intelligence Information for CVE-2021-39229
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IV. Related Vulnerabilities
V. Comments for CVE-2021-39229

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