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GoogleOSV:CVE-2020-27797

HistoryAug 25, 2022 - 8:15 p.m.

CVE-2020-27797

2022-08-2520:15:08

Google

osv.dev

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

6.7 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

18.5%

JSON

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.

CPENameOperatorVersion
upxeq1.90
upxeq2.93
upxeq3.07
upxeq2.91
upxeq1.91
upxeq3.01
upxeq3.99
upxeq1.95
upxeq3.06
upxeq1.94

Name	Operator	Version
upx	eq	1.90
upx	eq	2.93
upx	eq	3.07
upx	eq	2.91
upx	eq	1.91
upx	eq	3.01
upx	eq	3.99
upx	eq	1.95
upx	eq	3.06
upx	eq	1.94

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References

github.com/upx/upx/issues/390

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

6.7 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

18.5%

JSON

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