high7.5
CVE-2016-20013
sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU consumption) because the algorithm's runtime is proportional to the s…
Impact
sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU consumption) because the algorithm's runtime is proportional to the square of the length of the password.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Sha256crypt Project | Sha256crypt | through 0.6 |
| Sha512crypt Project | Sha512crypt | through 0.6 |
Weakness classification
References
- NVD record
- CVE.org record
- https://akkadia.org/drepper/SHA-crypt.txt
- https://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/
- https://twitter.com/solardiz/status/795601240151457793
- https://akkadia.org/drepper/SHA-crypt.txt
- https://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/
- https://twitter.com/solardiz/status/795601240151457793