CVE-2023-23456— Upx: heap-buffer-overflow in packtmt::pack()
Quick assessment
Affected
CVE-2023-23456
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.
UPX是一款可移植、可扩展的可执行压缩程序。 UPX存在安全漏洞，该漏洞源于存在基于堆的缓冲区溢出问题。攻击者利用该漏洞通过特制的文件导致拒绝服务（中止）。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationI. Basic Information for CVE-2023-23456
Vulnerability Information
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Vulnerability Title
Upx: heap-buffer-overflow in packtmt::pack()
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
UPX 缓冲区错误漏洞
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存在安全漏洞，该漏洞源于存在基于堆的缓冲区溢出问题。攻击者利用该漏洞通过特制的文件导致拒绝服务（中止）。
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)
II. Public POCs for CVE-2023-23456
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