malformed proposed intoto entries can cause a panic

GHSA-frqx-jfcm-6jjr · CVE-2023-33199 · GO-2023-1795

Published May 26, 2023 · Modified Feb 4, 2026

Description

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

References

WEB https://github.com/sigstore/rekor/security/advisories/GHSA-frqx-jfcm-6jjr
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-33199
WEB https://github.com/sigstore/rekor/commit/140c5add105179e5ffd9e3e114fd1b6b93aebbd4
PACKAGE https://github.com/sigstore/rekor

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