CVE-2017-7781 — Vulnetix

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CVE-2017-7781 PUBLISHED

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.

EPSS 0.91% · 75.7th percentile

Risk Scores

EPSS Score

0.91%

75.7th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	firefox	0, 41.0.2+build2-0ubuntu1, 42.0+build2-0ubuntu1
Ubuntu:18.04:LTS	mozjs38	0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:14.04:LTS	firefox	42.0+build2-0ubuntu0.14.04.1, 43.0+build1-0ubuntu0.14.04.1, 43.0.4+build3-0ubuntu0.14.04.1

Timeline

Aug 8, 2017 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-7781 third-party-advisory
https://ubuntu.com/security/notices/USN-3391-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2017-7781 third-party-advisory

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