Information disclosure in Tor

CVE-2012-3519

routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack.

Vulnerability class: Information Disclosure

EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.

Affected products

  • Tor
  • N/a — versions n/a

Weakness classification (CWE)

References