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CVE-2023-47122

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CVE-2023-47122

Published: Nov 10, 2023

Modified: Sep 3, 2024

PUBLISHED

CVSS v3.1

4.2

MEDIUM

Description

Gitsign is software for keyless Git signing using Sigstore. In versions of gitsign starting with 0.6.0 and prior to 0.8.0, Rekor public keys were fetched via the Rekor API, instead of through the local TUF client. If the upstream Rekor server happened to be compromised, gitsign clients could potentially be tricked into trusting incorrect signatures. There is no known compromise the default public good instance (`rekor.sigstore.dev`) - anyone using this instance is unaffected. This issue was fixed in v0.8.0. No known workarounds are available.

VendorProductVersions

sigstore

gitsign

affected
>= 0.6.0, < 0.8.0

Weaknesses (CWE)

CWE-347

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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