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crypto/elliptic: generic P-256 panic when scalar has too many leading zeroes (CVE-2022-28327) [1.17 backport] #52076

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gopherbot opened this issue Mar 31, 2022 · 2 comments
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crypto/elliptic: generic P-256 panic when scalar has too many leading zeroes (CVE-2022-28327) [1.17 backport] #52076

gopherbot opened this issue Mar 31, 2022 · 2 comments
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CherryPickApproved Used during the release process for point releases FrozenDueToAge release-blocker Security
Milestone
Go1.17.9

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@gopherbot
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@FiloSottile requested issue #52075 to be considered for backport to the next 1.17 minor release.

@gopherbot please open backport issues for this security fix.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Mar 31, 2022
@gopherbot gopherbot mentioned this issue Mar 31, 2022
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@gopherbot gopherbot added this to the Go1.17.9 milestone Mar 31, 2022
@gopherbot
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Change https://go.dev/cl/397136 mentions this issue: [release-branch.go1.17] crypto/elliptic: tolerate zero-padded scalars in generic P-256

@FiloSottile FiloSottile changed the title crypto/elliptic: generic P-256 panic when scalar has too many leading zeroes [1.17 backport] crypto/elliptic: generic P-256 panic when scalar has too many leading zeroes (CVE-2022-28327) [1.17 backport] Apr 1, 2022
@cherrymui cherrymui added CherryPickApproved Used during the release process for point releases and removed CherryPickCandidate Used during the release process for point releases labels Apr 6, 2022
@gopherbot
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Closed by merging 7139e8b to release-branch.go1.17.

gopherbot pushed a commit that referenced this issue Apr 6, 2022
@FiloSottile @cherrymui
[release-branch.go1.17] crypto/elliptic: tolerate zero-padded scalars…
7139e8b 
… in generic P-256

Updates #52075
Fixes #52076
Fixes CVE-2022-28327

Change-Id: I595a7514c9a0aa1b9c76aedfc2307e1124271f27
Reviewed-on: https://go-review.googlesource.com/c/go/+/397136
Trust: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Julie Qiu <julie@golang.org>
@knz knz mentioned this issue May 25, 2022
Closed
rcrozean pushed a commit to rcrozean/go that referenced this issue Oct 5, 2022
@FiloSottile @rcrozean
crypto/elliptic: tolerate zero-padded scalars in generic P-256
192f06f 
# AWS EKS
Backported To: go-1.15.15-eks
Backported On: Thu, 22 Sept 2022
Backported By: budris@amazon.com
Backported From: release-branch.go1.17
EKS Patch Source Commit: danbudris@2664205
Upstream Source Commit: golang@7139e8b

# Original Information

Updates golang#52075
Fixes golang#52076
Fixes CVE-2022-28327

Change-Id: I595a7514c9a0aa1b9c76aedfc2307e1124271f27
Reviewed-on: https://go-review.googlesource.com/c/go/+/397136
Trust: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Julie Qiu <julie@golang.org>
rcrozean pushed a commit to rcrozean/go that referenced this issue Oct 12, 2022
@FiloSottile @rcrozean
crypto/elliptic: tolerate zero-padded scalars in generic P-256
5945853 
# AWS EKS
Backported To: go-1.15.15-eks
Backported On: Thu, 22 Sept 2022
Backported By: budris@amazon.com
Backported From: release-branch.go1.17
EKS Patch Source Commit: danbudris@2664205
Upstream Source Commit: golang@7139e8b

# Original Information

Updates golang#52075
Fixes golang#52076
Fixes CVE-2022-28327

Change-Id: I595a7514c9a0aa1b9c76aedfc2307e1124271f27
Reviewed-on: https://go-review.googlesource.com/c/go/+/397136
Trust: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Julie Qiu <julie@golang.org>
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@cagedmantis @FiloSottile @gopherbot @cherrymui