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redhatcveRedhat.comRH:CVE-2020-18770
HistoryOct 30, 2023 - 5:56 a.m.

CVE-2020-18770

2023-10-3005:56:53
redhat.com
access.redhat.com
21
zziplib
memory access flaw
denial of service
invalid access
cve-2020-18770
file vulnerability

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

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

An invalid memory access flaw was found in the mmapped.c file’s zzip_disk_entry_to_file_header function in Zziplib. This issue could allow an attacker to entice a victim into opening a specially crafted file, leading to a denial of service.

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

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%