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I. Basic Information for CVE-2020-27790
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
除零错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
UPX 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UPX是一款可移植、可扩展的可执行压缩程序。 UPX 3.96版本存在安全漏洞,该漏洞源于在p_lx_elf.cpp文件的PackLinuxElf64::invert_pt_dynamic()函数中发现了浮点异常问题,攻击者用精心制作的输入文件可以触发这个问题导致崩溃,从而导致拒绝服务,最大的影响是可用性。
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
-upx Fixed in v3.96. -
II. Public POCs for CVE-2020-27790
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III. Intelligence Information for CVE-2020-27790
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