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      <title>CVE-2023-45813 — Inefficient Regular Expression Complexity in TorBot</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-45813</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; DedSecInside TorBot&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; DedSecInside TorBot&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</content:encoded>
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