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Debian Security Bug TrackerDEBIANCVE:CVE-2020-27796HistoryAug 25, 2022 - 8:15 p.m.
CVE-2020-27796
2022-08-2520:15:08
Debian Security Bug Tracker
security-tracker.debian.org
11
cve-2020-27796; heap-based; buffer over-read; upx 4.0.0; mach-o file; unix
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
0.001 Low
EPSS
Percentile
34.8%
A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 11 | all | upx-ucl | <= 3.96-2 | upx-ucl_3.96-2_all.deb |
| Debian | 999 | all | upx-ucl | < 4.2.2-1 | upx-ucl_4.2.2-1_all.deb |
| Debian | 13 | all | upx-ucl | < 4.2.2-1 | upx-ucl_4.2.2-1_all.deb |
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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
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0.001 Low
EPSS
Percentile
34.8%
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