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MFSA2017-18 Firefox: Security vulnerabilities fixed in Firefox 55 (CVE-2017-7781)

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MFSA2017-18 Firefox: Security vulnerabilities fixed in Firefox 55 (CVE-2017-7781)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
08/08/2017
Created
07/25/2018
Added
08/09/2017
Modified
08/08/2018

Description

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.

Solution(s)

  • mozilla-firefox-upgrade-55_0

References

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