CVE-2021-43311

2023-03-2420:15:08

CWE-787

CWE-119

[email protected]

web.nvd.nist.gov

cve-2021-43311

heap-based buffer overflow

upx

pointer

buffer overflow

nvd

security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

32.1%

JSON

A heap-based buffer overflow was discovered in upx, during the generic pointer ‘p’ points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

Affected configurations

NVD

Node

upx_projectupxRange<4.0.0

CPENameOperatorVersion
upx_project:upxupx project upxlt4.0.0

CPE	Name	Operator	Version
upx_project:upx	upx project upx	lt	4.0.0

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "upx",
    "versions": [
      {
        "version": "upx before 4.0.0-git-c6b9e3c62d15",
        "status": "affected"
      }
    ]
  }
]