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go/parser: infinite loop in parsing (CVE-2023-24537) [1.20 backport] #59274

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gopherbot opened this issue Mar 27, 2023 · 2 comments
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go/parser: infinite loop in parsing (CVE-2023-24537) [1.20 backport] #59274

gopherbot opened this issue Mar 27, 2023 · 2 comments
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CherryPickApproved Used during the release process for point releases FrozenDueToAge Security
Milestone
Go1.20.3

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@julieqiu requested issue #59180 to be considered for backport to the next 1.20 minor release.

@gopherbot please open backport issues.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Mar 27, 2023
@gopherbot gopherbot mentioned this issue Mar 27, 2023
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@gopherbot gopherbot added this to the Go1.20.3 milestone Mar 27, 2023
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Change https://go.dev/cl/481992 mentions this issue: [release-branch.go1.20] go/scanner: reject large line and column numbers in //line directives

gopherbot pushed a commit that referenced this issue Apr 4, 2023
@neild @gopherbot
[release-branch.go1.20] go/scanner: reject large line and column numb…
e7c4b07 
…ers in //line directives

Setting a large line or column number using a //line directive can cause
integer overflow even in small source files.

Limit line and column numbers in //line directives to 2^30-1, which
is small enough to avoid int32 overflow on all reasonbly-sized files.

Fixes CVE-2023-24537
For #59180
Fixes #59274

Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802456
Reviewed-by: Julie Qiu <[email protected]>
Reviewed-by: Roland Shoemaker <[email protected]>
Run-TryBot: Damien Neil <[email protected]>
Change-Id: Ib9c5cb38428ed34ab129d451b00a2998e72c861c
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802401
TryBot-Result: Security TryBots <[email protected]>
Run-TryBot: Roland Shoemaker <[email protected]>
Reviewed-on: https://go-review.googlesource.com/c/go/+/481992
Reviewed-by: Matthew Dempsky <[email protected]>
Auto-Submit: Michael Knyszek <[email protected]>
Run-TryBot: Michael Knyszek <[email protected]>
TryBot-Bypass: Michael Knyszek <[email protected]>
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Closed by merging e7c4b07 to release-branch.go1.20.

@mknyszek mknyszek changed the title security: fix CVE-2023-24537 [1.20 backport] go/parser: infinite loop in parsing (CVE-2023-24537) [1.20 backport] Apr 4, 2023
@mknyszek mknyszek added the CherryPickApproved Used during the release process for point releases label Apr 4, 2023
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label Apr 4, 2023
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@mknyszek @dmitshur @gopherbot