CVE-2017-7781

Summary

An error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates where it can yield a result "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. This vulnerability affects Firefox < 55.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 55affected

Weaknesses

  • Elliptic curve point addition error when using mixed Jacobian-affine coordinates

ADP Enrichment

CVE Program Container

Additional References

References