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Debian Security Bug TrackerDEBIANCVE:CVE-2020-27797HistoryAug 25, 2022 - 8:15 p.m.
CVE-2020-27797
2022-08-2520:15:08
Debian Security Bug Tracker
security-tracker.debian.org
10
cve-2020-27797
upx 4.0.0
elf_lookup function
crafted mach-o file
unix
memory address reference
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
0.001 Low
EPSS
Percentile
19.9%
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.
| 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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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
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0.001 Low
EPSS
Percentile
19.9%
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