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CVE-2023-33199— malformed proposed intoto v0.0.2 entries can cause a panic in Rekor

Quick assessment

Affected
sigstore rekor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rekor是一款开源软件，能够为软件项目供应链中生成的元数据提供一个不可变的防篡改分类账。 Rekor v1.2.0之前版本存在安全漏洞，该漏洞源于ntoto/v0.0.2 类型错误可能会导致 Rekor 进程中的线程出现恐慌。

CVSS 5.3 · Medium EPSS 0.67% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-33199

Vulnerability Information
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Vulnerability Title
malformed proposed intoto v0.0.2 entries can cause a panic in Rekor
Source: CVE Program / CVE List V5
Vulnerability Description
Rekor's goals are to provide an immutable tamper resistant ledger of metadata generated within a software projects supply chain. A malformed proposed entry of the `intoto/v0.0.2` type can cause a panic on a thread within the Rekor process. The thread is recovered so the client receives a 500 error message and service still continues, so the availability impact of this is minimal. This has been fixed in v1.2.0 of Rekor. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Rekor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rekor是一款开源软件，能够为软件项目供应链中生成的元数据提供一个不可变的防篡改分类账。 Rekor v1.2.0之前版本存在安全漏洞，该漏洞源于ntoto/v0.0.2 类型错误可能会导致 Rekor 进程中的线程出现恐慌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
sigstore rekor < 1.2.0 -

II. Public POCs for CVE-2023-33199

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III. Intelligence Information for CVE-2023-33199

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Patches & Fixes for CVE-2023-33199 (1)

Vendor Advisories for CVE-2023-33199 (1)

IV. Related Vulnerabilities

Same product: rekor
Same vendor: sigstore
Same weakness: CWE-617

V. Comments for CVE-2023-33199

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