Information disclosure in Tor

CVE-2011-4897

Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.

Vulnerability class: Information Disclosure

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

Affected products

  • Tor — versions 0.0.2, 0.0.3, 0.0.4
  • N/a — versions n/a

Weakness classification (CWE)

References