CVE-2020-27790

2022-08-1819:15:14

CWE-369

[email protected]

web.nvd.nist.gov

cve-2020-27790

upx

packlinuxelf64

p_lx_elf.cpp

denial of service

nvd

vulnerability

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.0%

JSON

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.

Affected configurations

Vulners

NVD

Node

upx_projectupxRange≤3.96

VendorProductVersionCPE
upx_projectupx*cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
upx_project	upx	*	cpe:2.3:a:upx_project:upx::::::::

CNA Affected

[
  {
    "product": "upx",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in v3.96."
      }
    ]
  }
]