Denial Of Service

2023-11-0806:51:22

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

github.com/sigstore/cosign

denial of service

vulnerability

validation

fetchattestations

loop

attestations

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

Confidence

High

EPSS

0.001

Percentile

17.0%

JSON

github.com/sigstore/cosign is vulnerable to Denial Of Service (DoS. The vulnerability arises due to a lack of validation of “l” slice in the FetchAttestations method. An attacker who controls a remote registry can return huge number of attestations to cosign and cause cosign to enter into an endless loop.