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I. Basic Information for CVE-2020-27824
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenJPEG 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenJPEG是一款基于C语言的开源JPEG2000编码解码器。 OpenJPEG 存在缓冲区错误漏洞，该漏洞源于opj_dwt_calc_explicit_stepsizes函数。攻击者可利用该漏洞可以通过opj dwt计算OpenJPEG的显式stepsizes()来触发缓冲区溢出，以触发拒绝服务，并可能运行代码。
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
VendorProductAffected VersionsCPESubscribe
-openjpeg openjpeg 2.4.0 -
II. Public POCs for CVE-2020-27824
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/pazhanivel07/openjpeg-2.3.0_CVE-2020-27824POC Details
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III. Intelligence Information for CVE-2020-27824
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IV. Related Vulnerabilities
Same product: openjpeg
Same vendor: n/a
Same weakness: CWE-20
V. Comments for CVE-2020-27824

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