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Vulnerability Details :

CVE-2020-27798

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-25 Aug, 2022 | 19:37
Updated At-04 Aug, 2024 | 16:25
Rejected At-
Credits

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

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:25 Aug, 2022 | 19:37
Updated At:04 Aug, 2024 | 16:25
Rejected At:
▼CVE Numbering Authority (CNA)

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

Affected Products
Vendor
n/a
Product
upx
Versions
Affected
  • upx 4.0.0-git-87b73e5cfdc1+
Problem Types
TypeCWE IDDescription
CWECWE-119CWE-119
Type: CWE
CWE ID: CWE-119
Description: CWE-119
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/upx/upx/issues/396
x_refsource_MISC
Hyperlink: https://github.com/upx/upx/issues/396
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/upx/upx/issues/396
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/upx/upx/issues/396
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:25 Aug, 2022 | 20:15
Updated At:11 Apr, 2025 | 12:27

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

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CPE Matches

upx
upx
>>upx>>4.0.0
cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Secondarysecalert@redhat.com
CWE-763Primarynvd@nist.gov
CWE ID: CWE-119
Type: Secondary
Source: secalert@redhat.com
CWE ID: CWE-763
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/upx/upx/issues/396secalert@redhat.com
Exploit
Issue Tracking
Third Party Advisory
https://github.com/upx/upx/issues/396af854a3a-2127-422b-91ae-364da2661108
Exploit
Issue Tracking
Third Party Advisory
Hyperlink: https://github.com/upx/upx/issues/396
Source: secalert@redhat.com
Resource:
Exploit
Issue Tracking
Third Party Advisory
Hyperlink: https://github.com/upx/upx/issues/396
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Issue Tracking
Third Party Advisory

Change History

0
Information is not available yet

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Rejected-Not Available
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Improper Restriction of Operations within the Bounds of a Memory Buffer
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Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
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Matching Score-4
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CVSS Score-8.4||HIGH
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||
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CWE ID-CWE-119
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Matching Score-4
Assigner-MITRE Corporation
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CVSS Score-5.5||MEDIUM
EPSS-0.13% / 33.16%
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7 Day CHG~0.00%
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Rejected-Not Available
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Product-ubuntu_linuxexiv2debian_linuxn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
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