malformed proposed intoto entries can cause a panic

中 5.3CVE-2023-33199 · GHSA-frqx-jfcm-6jjr · GO-2023-1795 · 26/05/2023 公開 · 17/06/2026 更新

要点

CVE-2023-33199 は github.com/sigstore/rekor, rekor (linuxfoundation) に影響する深刻度「中」 (CVSS 5.3) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.67%（全脆弱性の 52.0% より高い）。
対処：1.2.0 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
github.com/sigstore/rekor Go	`< 1.2.0`	`1.2.0`
rekor linuxfoundation	`< 1.2.0`	`1.2.0`

概要

Impact

A malformed proposed entry of the intoto/v0.0.2 type can cause a panic on a thread within the Rekor process. The thread is recovered so the client receives a 500 error message and service still continues, so the availability impact of this is minimal.

Patches

This is fixed in v1.2.0 of Rekor.

Workarounds

References

Discovered by OSS-Fuzz

NVD の説明

Rekor's goals are to provide an immutable tamper resistant ledger of metadata generated within a software projects supply chain. A malformed proposed entry of the `intoto/v0.0.2` type can cause a panic on a thread within the Rekor process. The thread is recovered so the client receives a 500 error message and service still continues, so the availability impact of this is minimal. This has been fixed in v1.2.0 of Rekor. Users are advised to upgrade. There are no known workarounds for this vulnerability.