When asking to get a file from a file:// URL, libcurl provides a feature that outputs meta-data about the file using HTTP-like headers.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• haxx libcurl7.54.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2023-38545This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake.
  63This week
• CVE-2019-5436A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.
  46Plan
• CVE-2019-3822libcurl versions from 7.36.0 to before 7.64.0 are vulnerable to a stack-based buffer overflow.
  43Plan
• CVE-2018-14618curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code.
  42Plan
• CVE-2016-8622The URL percent-encoding decode function in libcurl before 7.51.0 is called `curl_easy_unescape`.
  40Plan
• CVE-2021-22945When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed
  38Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.