CVE-2019-10764

In elliptic-php versions priot to 1.0.6, Timing attacks might be possible which can result in practical recovery of the long-term private key generated by the library under certain conditions. Leakage of a bit-length of the scalar during scalar multiplication is possible on an elliptic curve which might allow practical recovery of the long-term private key.

Affected

simplito/elliptic-php

CVSS v3.1 NVD

7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v2.0 NVD

5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS

1.09% chance of exploitation in the next 30 days, 65th percentile

Published

2019-11-18

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://minerva.crocs.fi.muni.cz/

Security advisories

• https://minerva.crocs.fi.muni.cz
• https://snyk.io/vuln/SNYK-PHP-SIMPLITOELLIPTICPHP-534576
• advisories/GHSA-mr6r-82x4-f4jj

References

• CVE Record
• NVD entry