encoding/gob: stack exhaustion in Decoder.Decode (CVE-2024-34156) #69139
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@gopherbot please open backport issues for this security fix. |
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Backport issue(s) opened: #69144 (for 1.22), #69145 (for 1.23). Remember to create the cherry-pick CL(s) as soon as the patch is submitted to master, according to https://go.dev/wiki/MinorReleases. |
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This was referenced Aug 29, 2024
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Change https://go.dev/cl/611176 mentions this issue: |
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Change https://go.dev/cl/611182 mentions this issue: |
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…g ignore depth This change makes sure that we are properly checking the ignored field recursion depth in decIgnoreOpFor consistently. This prevents stack exhaustion when attempting to decode a message that contains an extremely deeply nested struct which is ignored. Thanks to Md Sakib Anwar of The Ohio State University ([email protected]) for reporting this issue. Updates #69139 Fixes #69145 Fixes CVE-2024-34156 Change-Id: Iacce06be95a5892b3064f1c40fcba2e2567862d6 Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1440 Reviewed-by: Russ Cox <[email protected]> Reviewed-by: Damien Neil <[email protected]> (cherry picked from commit 9f2ea73c5f2a7056b7da5d579a485a7216f4b20a) Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1581 Commit-Queue: Roland Shoemaker <[email protected]> Reviewed-by: Tatiana Bradley <[email protected]> Reviewed-on: https://go-review.googlesource.com/c/go/+/611176 Reviewed-by: Dmitri Shuralyov <[email protected]> Auto-Submit: Dmitri Shuralyov <[email protected]> Reviewed-by: Michael Pratt <[email protected]> TryBot-Bypass: Dmitri Shuralyov <[email protected]>
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…g ignore depth This change makes sure that we are properly checking the ignored field recursion depth in decIgnoreOpFor consistently. This prevents stack exhaustion when attempting to decode a message that contains an extremely deeply nested struct which is ignored. Thanks to Md Sakib Anwar of The Ohio State University ([email protected]) for reporting this issue. Updates #69139 Fixes #69144 Fixes CVE-2024-34156 Change-Id: Iacce06be95a5892b3064f1c40fcba2e2567862d6 Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1440 Reviewed-by: Russ Cox <[email protected]> Reviewed-by: Damien Neil <[email protected]> (cherry picked from commit f0a11f9b3aaa362cb1d05e095e3c8d421d4f087f) Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1580 Reviewed-by: Tatiana Bradley <[email protected]> Reviewed-on: https://go-review.googlesource.com/c/go/+/611182 TryBot-Bypass: Dmitri Shuralyov <[email protected]> Reviewed-by: Michael Pratt <[email protected]> Auto-Submit: Dmitri Shuralyov <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]>
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Change https://go.dev/cl/611239 mentions this issue: |
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Calling Decoder.Decode on a message which contains deeply nested structures can cause a panic due to stack exhaustion.
This is a follow-up to CVE-2022-30635.
Thanks to Md Sakib Anwar of The Ohio State University ([email protected]) for reporting this issue.
This is CVE-2024-34156 and Go issue https://go.dev/issue/69139.
This is a PRIVATE issue for CVE-2024-34156, tracked in http://b/362587965 and fixed by https://go-internal-review.git.corp.google.com/c/go/+/1440.
/cc @golang/security and @golang/release
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