CVEvulnerability

CVE-2021-37606

5.3 MEDIUM Published 2021-07-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-203, CWE-326

Description

Meow hash 0.5/calico does not sufficiently thwart key recovery by an attacker who can query whether there's a collision in the bottom bits of the hashes of two messages, as demonstrated by an attack against a long-running web service that allows the attacker to infer collisions by measuring timing differences.

Affected configurations

• meow hash project meow hash 0.5

Related

Weakness · CWE (2)

  • CWE-203 Observable Discrepancy weakness
  • CWE-326 Inadequate Encryption Strength weakness

References