CVE-2017-7781
MEDIUM 5.9EPSS 2.7%
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
- Mozilla · Firefox
- CVSS v3.0 NVD
- 5.9 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N - EPSS
- 2.67% chance of exploitation in the next 30 days, 86th percentile
- Published
- 2018-06-11
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
Security advisories
- https://www.mozilla.org/security/advisories/mfsa2017-18
- http://www.securityfocus.com/bid/100383
- http://www.securitytracker.com/id/1039124