ELinks before 0.11.3, when sending a POST request for an https URL, appends the body and content headers of the POST request to the CONNECT

Affected versions

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

• elinks elinksup to 0.11.1 inclusive
• elinks elinksup to 0.11.2 inclusive

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-2008-7224Buffer overflow in entity_cache in ELinks before 0.11.4rc0 allows remote attackers to cause a denial of service (crash) via a crafted link.
  32Monitor
• CVE-2006-5925Links web browser 1.00pre12 and Elinks 0.9.2 with smbclient installed allows remote attackers to execute arbitrary code via shell metacharac
  32Monitor
• CVE-2012-6709ELinks 0.12 and Twibright Links 2.3 have Missing SSL Certificate Validation.
  23Monitor
• CVE-2002-1405CRLF injection vulnerability in Lynx 2.8.4 and earlier allows remote attackers to inject false HTTP headers into an HTTP request that is pro
  22Monitor
• CVE-2012-4545The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GS
  21Monitor
• CVE-2007-2027Untrusted search path vulnerability in the add_filename_to_string function in intl/gettext/loadmsgcat.c for Elinks 0.11.1 allows local users
  17Monitor

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.