CVE-2015-8618 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html http://www.openwall.com/lists/oss-security/2015/12/21/6 http://www.openwall.com/lists/oss-security/2015/12/22/9 http://www.openwall.com/lists/oss-security/2016/01/13/7 https://github.com/golang/go/issues/13515 https://go-review.googlesource.com//c/17672/ https://groups.google.com/forum/!topic/golang-announce/MEATuOi_ei4

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5