GitHub_MCVELIST:CVE-2023-47122CVE-2023-47122 Gitsign's Rekor public keys fetched from upstream API instead of local TUF client.
4.2 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
5.4 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
22.0%
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.
CNA Affected
[
{
"vendor": "sigstore",
"product": "gitsign",
"versions": [
{
"version": ">= 0.6.0, < 0.8.0",
"status": "affected"
}
]
}
]Related
4.2 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
5.4 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
22.0%