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CVE-2015-8618

Published: 27 January 2016

The Int.Exp Montgomery code in the math/big library in Go 1.5.x before 1.5.3 mishandles carry propagation and produces incorrect output, which makes it easier for attackers to obtain private RSA keys via unspecified vectors.

Notes

AuthorNote
mdeslaur
Packages built using golang need to be rebuilt once the
vulnerability has been fixed. This CVE entry does not
list packages that need rebuilding outside of the main
repository or the Ubuntu variants with PPA overlays.
TODO: add main packages an packages in the overlays to this CVE
msalvatore
Vulnerability introduced in 1.5.x

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
golang
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Ignored
(end of life)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N