Reachable Assertion in Rekor - CVE-2023-33199

Vulnerability identifier: #VU77527

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-33199

CWE-ID: CWE-617

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a reachable assertion. A remote attacker can pass a malformed proposed entry of the "intoto/v0.0.2" type to the application can perform a denial of service (DoS) attack.

Rekor
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Basesystem Module
openSUSE Leap
rekor

Install updates from vendor's website.

Rekor - update to 1.2.0
rekor - update to 1.2.1-150400.4.12.1

• https://github.com/sigstore/rekor/commit/140c5add105179e5ffd9e3e114fd1b6b93aebbd4
• https://github.com/sigstore/rekor/security/advisories/GHSA-frqx-jfcm-6jjr

• Denial of service in Rekor
• SUSE update for rekor