#VU76697 Resource management error in Rekor - CVE-2023-30551

Vulnerability identifier: #VU76697

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-30551

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Rekor

Vendor: Sigstore

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when verifying JAR files. A remote attacker can submit a specially crafted JAR file to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Rekor: 0.1.0 - 1.1.0

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External links
https://github.com/sigstore/rekor/releases/tag/v1.1.1
https://github.com/sigstore/rekor/commit/cf42ace82667025fe128f7a50cf6b4cdff51cc48
https://github.com/sigstore/rekor/security/advisories/GHSA-2h5h-59f5-c5x9

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.