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CVE-2023-45813— Inefficient Regular Expression Complexity in TorBot

Quick assessment

Affected
DedSecInside TorBot
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.

TorBot是针对暗网的开源情报工具。 Torbot存在安全漏洞。攻击者利用该漏洞使用特制的参数导致应用程序崩溃。

CVSS 4.6 · Medium EPSS 0.96% · P61

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-45813

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in TorBot
Source: CVE Program / CVE List V5
Vulnerability Description
Torbot is an open source tor network intelligence tool. In affected versions the `torbot.modules.validators.validate_link function` uses the python-validators URL validation regex. This particular regular expression has an exponential complexity which allows an attacker to cause an application crash using a well-crafted argument. An attacker can use a well-crafted URL argument to exploit the vulnerability in the regular expression and cause a Denial of Service on the system. The validators file has been removed in version 4.0.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
Torbot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TorBot是针对暗网的开源情报工具。 Torbot存在安全漏洞。攻击者利用该漏洞使用特制的参数导致应用程序崩溃。
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
DedSecInside TorBot < 4.0.0 -

II. Public POCs for CVE-2023-45813

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III. Intelligence Information for CVE-2023-45813

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Patches & Fixes for CVE-2023-45813 (1)

Vendor Advisories for CVE-2023-45813 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1333

V. Comments for CVE-2023-45813

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