5.9med
CVE-2017-7781
An error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates where it can yield a result "POI…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.7%
percentile 86%
Public exploits
0
none known
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.
Exploit prediction (EPSS)
2.67% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- Mozilla Firefox
References
- securityfocus.com /bid/100383 · vdb-entry, x_refsource_BID, x_transferred
- mozilla.org /security/advisories/mfsa2017-18/ · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1039124 · vdb-entry, x_refsource_SECTRACK, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1352039 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-7781
- NVD: CVE-2017-7781
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