CVE-2015-8804

Published: 31 December 2015

x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-384 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
nettle Launchpad, Ubuntu, Debian	precise	Not vulnerable (code not present)
	trusty	Released (2.7.1-1ubuntu0.1)
	upstream	Released (3.2)
	vivid	Ignored (end of life)
	wily	Released (3.1.1-4ubuntu0.1)
	xenial	Not vulnerable (3.2-1)
	yakkety	Not vulnerable (3.2-1)
	zesty	Not vulnerable (3.2-1)
	Patches: upstream: https://git.lysator.liu.se/nettle/nettle/commit/fa269b6ad06dd13c901dbd84a12e52b918a09cd7

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Bugs

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=813679

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