Vulnerability Monitor

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CVE-2015-8618

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.

Published

2016-01-27T20:59:00.107

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	opensuse	leap	42.1	Yes
Application	golang	go	1.5	Yes
Application	golang	go	1.5.1	Yes
Application	golang	go	1.5.2	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html ([email protected])
http://www.openwall.com/lists/oss-security/2015/12/21/6 ([email protected])
http://www.openwall.com/lists/oss-security/2015/12/22/9 ([email protected])
http://www.openwall.com/lists/oss-security/2016/01/13/7 ([email protected])
https://github.com/golang/go/issues/13515 Patch ([email protected])
https://go-review.googlesource.com/#/c/17672/ ([email protected])
https://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/12/21/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/12/22/9 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/01/13/7 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/golang/go/issues/13515 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://go-review.googlesource.com/#/c/17672/ (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/forum/#%21topic/golang-announce/MEATuOi_ei4 (af854a3a-2127-422b-91ae-364da2661108)