CVE-2015-8618

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.99% Top 25%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2015-8618?
CVE-2015-8618 has been scored as a high severity vulnerability.
How to fix CVE-2015-8618?
To fix CVE-2015-8618, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8618 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8618 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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