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ubuntucveUbuntu.comUB:CVE-2021-43313
HistoryMar 24, 2023 - 12:00 a.m.

CVE-2021-43313

2023-03-2400:00:00
ubuntu.com
ubuntu.com
12
cve-2021-43313
variable 'bucket'
inaccessible address
packlinuxelf32::invert_pt_dynamic
p_lx_elf.cpp:1688
unix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

31.9%

A heap-based buffer overflow was discovered in upx, during the variable
‘bucket’ points to an inaccessible address. The issue is being triggered in
the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

31.9%