Vulnerability · Published Jul 28, 2021 · Assigned by mitre
CVE-2021-37606
Medium 5.3
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.7%top 45.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
References
- https://news.ycombinator.com/item?id=27978878 x_refsource_MISC
- https://peter.website/meow-hash-cryptanalysis x_refsource_MISC