CVE-2020-27788

Published: Aug 18, 2022Modified: Apr 11, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Upx: Upx

Upx

1 product

Upx

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Upx Upx	Before 3.96

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (4)

https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83

Source: secalert@redhat.com

PatchThird Party Advisory

https://github.com/upx/upx/issues/332

Source: secalert@redhat.com

ExploitIssue TrackingPatchThird Party Advisory

https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/upx/upx/issues/332

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingPatchThird Party Advisory

Timeline

No history available yet.