#VU7844 Man-in-the-middle attack in Mozilla Firefox - CVE-2017-7781
Published: August 14, 2017
Vulnerability identifier: #VU7844
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7781
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to conduct man-in-the-middle attack.
The weakness exists due to an elliptic curve point addition error when using mixed Jacobian-affine coordinates. A remote attacker can trick the victim into visiting a specially crafted website and use man-in-the-middle techniques to interfere with a connection and compute an incorrect shared secret.
The weakness exists due to an elliptic curve point addition error when using mixed Jacobian-affine coordinates. A remote attacker can trick the victim into visiting a specially crafted website and use man-in-the-middle techniques to interfere with a connection and compute an incorrect shared secret.
Remediation
Update to version 55.0.