Bug 1293448 (CVE-2015-8618)

Summary:	CVE-2015-8618 golang: Carry propagation in Int.Exp Montgomery code in math/big library
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	aavati, admiller, bleanhar, ccoleman, dmcphers, golang-updates, jcajka, jialiu, jkeck, jokerman, kseifried, lemenkov, lmeyer, mmccomas, nlevinki, renich, rfortier, rhs-bugs, sgirijan, smohan, ssaha, s, vbatts, vbellur
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Go 1.5.3	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-12-05 16:01:52 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1293449, 1293451
Bug Blocks:

Description Adam Mariš 2015-12-21 19:05:03 UTC

Carry propagation in Int.Exp Montgomery function was found in golang's math/big library, similar to CVE-2015-3193. This issue was introduced in the 1.5 release and remains present in 1.5.1 and 1.5.2.

Upstream patch:

https://go-review.googlesource.com/#/c/17672/

CVE request:

http://seclists.org/oss-sec/2015/q4/550

Comment 1 Adam Mariš 2015-12-21 19:06:04 UTC

Created golang tracking bugs for this issue:

Affects: epel-6 [bug 1293449]
Affects: fedora-all [bug 1293451]

Comment 2 Fedora Update System 2016-01-17 17:50:34 UTC

golang-1.5.3-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2016-01-26 03:20:20 UTC

golang-1.5.3-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.