CVE-2024-26317 Information

Description

In illumos illumos-gate 2024-02-15 an error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates causing the algorithm to yield a result of POINT_AT_INFINITY when it should not. A man-in-the-middle attacker could use this to interfere with a connection resulting in an attacked party computing an incorrect shared secret.

Reference

https://drive.google.com/file/d/1aGLAFz20-fc7ZLiWouegyK_65jCkGTDb/view?usp=sharing https://github.com/illumos/illumos-gate https://rashidkhanpathan.github.io/posts/CVE-2024-26317-Elliptic-curve-point-addition-error/