Vulnerability Information
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Vulnerability Title
Reachable Assertion in rulex
Vulnerability Description
rulex is a new, portable, regular expression language. When parsing untrusted rulex expressions, rulex may crash, possibly enabling a Denial of Service attack. This happens when the expression contains a multi-byte UTF-8 code point in a string literal or after a backslash, because rulex tries to slice into the code point and panics as a result. This is a security concern for you, if your service parses untrusted rulex expressions (expressions provided by an untrusted user), and your service becomes unavailable when the thread running rulex panics. The crashes are fixed in version **0.4.3**. Affected users are advised to update to this version. The only known workaround for this issue is to assume that regular expression parsing will panic and to add logic to catch panics.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
可达断言
Vulnerability Title
rulex 安全漏洞
Vulnerability Description
rulex是rulex开源的一种新的、可移植的正则表达式语言。 rulex 0.4.3 之前版本存在安全漏洞，该漏洞源于解析不受信任的 rulex 表达式时，rulex 可能会崩溃，可能会导致拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A