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cve[email protected]CVE-2020-27797
HistoryAug 25, 2022 - 8:15 p.m.

CVE-2020-27797

2022-08-2520:15:08
CWE-119
CWE-763
web.nvd.nist.gov
40
4
cve-2020-27797
invalid memory address
elf_lookup
upx 4.0.0
mach-o
nvd

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.2%

An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Affected configurations

Vulners
NVD
Node
upx_projectupxRange4.0.0
VendorProductVersionCPE
upx_projectupx*cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "upx",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "upx 4.0.0-git-87b73e5cfdc1+"
      }
    ]
  }
]

Social References

More

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.2%