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CVE-2023-25656— notation-go has excessive memory allocation on verification

Quick assessment

Affected
notaryproject notation-go
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.

notation-go是notaryproject个人开发者的支持签署和验证 OCI 工件的库集合。 notation-go 1.0.0-rc.3 之前版本存在安全漏洞，该漏洞源于应用程序在验证签名时占用过多内存，最终导致应用程序被 kill，可用性受到影响。

CVSS 7.5 · High EPSS 0.44% · P37
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I. Basic Information for CVE-2023-25656

Vulnerability Information
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Vulnerability Title
notation-go has excessive memory allocation on verification
Source: CVE Program / CVE List V5
Vulnerability Description
notation-go is a collection of libraries for supporting Notation sign, verify, push, and pull of oci artifacts. Prior to version 1.0.0-rc.3, notation-go users will find their application using excessive memory when verifying signatures. The application will be killed, and thus availability is impacted. The problem has been patched in the release v1.0.0-rc.3. Some workarounds are available. Users can review their own trust policy file and check if the identity string contains `=#`. Meanwhile, users should only put trusted certificates in their trust stores referenced by their own trust policy files, and make sure the `authenticity` validation is set to `enforce`.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
notation-go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
notation-go是notaryproject个人开发者的支持签署和验证 OCI 工件的库集合。 notation-go 1.0.0-rc.3 之前版本存在安全漏洞，该漏洞源于应用程序在验证签名时占用过多内存，最终导致应用程序被 kill，可用性受到影响。
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
notaryproject notation-go 1.0.0-rc.3 ~ 1.0.0-rc.3 -

II. Public POCs for CVE-2023-25656

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III. Intelligence Information for CVE-2023-25656

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Vendor Advisories for CVE-2023-25656 (1)

Other References for CVE-2023-25656 (1)

IV. Related Vulnerabilities

Same product: notation-go
Same vendor: notaryproject
Same weakness: CWE-770

V. Comments for CVE-2023-25656

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