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security: fix CVE-2023-24539 [1.19 backport] #59811

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gopherbot opened this issue Apr 24, 2023 · 2 comments
Closed

security: fix CVE-2023-24539 [1.19 backport] #59811

gopherbot opened this issue Apr 24, 2023 · 2 comments
Labels
CherryPickApproved Used during the release process for point releases FrozenDueToAge release-blocker Security
Milestone
Go1.19.9

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@gopherbot
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@neild requested issue #59720 to be considered for backport to the next 1.19 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 Apr 24, 2023
@gopherbot gopherbot mentioned this issue Apr 24, 2023
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@gopherbot gopherbot added this to the Go1.19.9 milestone Apr 24, 2023
@neild neild added Security release-blocker CherryPickApproved Used during the release process for point releases and removed CherryPickCandidate Used during the release process for point releases labels Apr 24, 2023
@gopherbot
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Change https://go.dev/cl/491335 mentions this issue: [release-branch.go1.19] html/template: disallow angle brackets in CSS values

@gopherbot
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Closed by merging e492823 to release-branch.go1.19.

gopherbot pushed a commit that referenced this issue May 2, 2023
@rolandshoemaker @cagedmantis
[release-branch.go1.19] html/template: disallow angle brackets in CSS…
e492823 
… values

Angle brackets should not appear in CSS contexts, as they may affect
token boundaries (such as closing a <style> tag, resulting in
injection). Instead emit filterFailsafe, matching the behavior for other
dangerous characters.

Thanks to Juho Nurminen of Mattermost for reporting this issue.

For #59720
Fixes #59811
Fixes CVE-2023-24539

Change-Id: Iccc659c9a18415992b0c05c178792228e3a7bae4
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1826636
Reviewed-by: Julie Qiu <[email protected]>
Run-TryBot: Roland Shoemaker <[email protected]>
Reviewed-by: Damien Neil <[email protected]>
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1851496
Run-TryBot: Damien Neil <[email protected]>
Reviewed-by: Roland Shoemaker <[email protected]>
Reviewed-on: https://go-review.googlesource.com/c/go/+/491335
Run-TryBot: Carlos Amedee <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
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CherryPickApproved Used during the release process for point releases FrozenDueToAge release-blocker Security
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Go1.19.9
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