Vulnerability Information
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Vulnerability Title
eGovFramework <= 4.3.1 Unauthenticated Encryption Oracle via Web Editor Image Upload Endpoints
Vulnerability Description
eGovFramework/egovframe-common-components versions up to and including 4.3.1 includes Web Editor image upload and related file delivery functionality that uses symmetric encryption to protect URL parameters, but exposes an encryption oracle that allows attackers to generate valid ciphertext for chosen values. The image upload endpoints /utl/wed/insertImage.do and /utl/wed/insertImageCk.do encrypt server-side paths, filenames, and MIME types and embed them directly into a download URL that is returned to the client. Because these same encrypted parameters are trusted by other endpoints, such as /utl/web/imageSrc.do and /cmm/fms/getImage.do, an unauthenticated attacker can abuse the upload functionality to obtain encrypted representations of attacker-chosen identifiers and then replay those ciphertext values to file-serving APIs. This design failure allows an attacker to bypass access controls that rely solely on the secrecy of encrypted parameters and retrieve arbitrary stored files that are otherwise expected to require an existing session or specific authorization context. KISA/KrCERT has identified this unpatched vulnerability as "KVE-2023-5281."
CVSS Information
N/A
Vulnerability Type
对数据真实性的验证不充分
Vulnerability Title
egovframe-common-components 安全漏洞
Vulnerability Description
egovframe-common-components是e-Government Standard Framework Center开源的一个常用函数集合。 egovframe-common-components 4.3.1及之前版本存在安全漏洞，该漏洞源于对称加密的设计缺陷，可能导致访问控制绕过。
CVSS Information
N/A
Vulnerability Type
N/A