CVE-2020-27788

Published: 18 August 2022

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
upx-ucl Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Not vulnerable (3.96-3)
	kinetic	Not vulnerable
	lunar	Not vulnerable
	mantic	Not vulnerable
	trusty	Ignored (end of standard support)
	upstream	Released (3.96-1)
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	5.5
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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