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CVE-2020-27799

Quick assessment

Affected
n/a upx
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 4.0.0版本存在安全漏洞，该漏洞源于攻击者可以通过精心制作的Mach-O文件对其p_lx_elf.cpp组件的invert_pt_dynamic函数实现基于堆的越界读。

AI Predicted 7.5 Difficulty: Easy EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-27799

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
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 4.0.0版本存在安全漏洞，该漏洞源于攻击者可以通过精心制作的Mach-O文件对其p_lx_elf.cpp组件的invert_pt_dynamic函数实现基于堆的越界读。
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
- upx upx 4.0.0-git-87b73e5cfdc1+ -

II. Public POCs for CVE-2020-27799

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III. Intelligence Information for CVE-2020-27799

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Other References for CVE-2020-27799 (1)

Same Patch Batch · n/a · 2022-08-25 · 214 CVEs total

CVE-2022-37317 7.6 HIGH Archer Platform 跨站脚本漏洞
CVE-2022-37318 7.0 HIGH Archer Platform 跨站脚本漏洞
CVE-2022-37316 6.5 MEDIUM Archer Platform 安全漏洞
CVE-2022-37241 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37815 Tenda AC1206 缓冲区错误漏洞
CVE-2022-37817 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37824 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37814 Tenda AC1206 缓冲区错误漏洞
CVE-2022-37820 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37816 Tenda AC1206 缓冲区错误漏洞
CVE-2022-37822 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37245 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37244 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37243 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37242 Alt-N MDaemon 注入漏洞
CVE-2022-23235 Netapp Active IQ Unified Manager 信息泄露漏洞
CVE-2022-37159 Claroline 代码问题漏洞
CVE-2022-37160 Claroline 跨站脚本漏洞
CVE-2022-2991 Linux kernel 缓冲区错误漏洞
CVE-2022-37161 Claroline 跨站脚本漏洞

Showing top 20 of 214 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: upx
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2020-27799

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