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HistoryAug 25, 2022 - 8:15 p.m.
CVE-2020-27800
cve-2020-27800
heap-based buffer over-read
upx 4.0.0
mach-o file
security vulnerability
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.0%
A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
Affected configurations
Node
upx_projectupxRange≤4.0.0
| 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": "upx 4.0.0-git-87b73e5cfdc1+"
}
]
}
]References
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7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.0%
Related for CVE-2020-27800