CVE-2021-34549 | BDVDB-2026-156166 Detail

Description#

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://gitlab.torproject.org/tpo/core/tor/-/issues/40391
https://blog.torproject.org/node/2041
https://security.gentoo.org/glsa/202107-25

Exploit#

No public exploit known

History#

Version 12021-06-29Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.