CVE-2020-18442

zziplib: infinite loop via the return value of zzip_file_read() as used in unzzip_cat_file()

Severity Score

3.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Infinite Loop in zziplib v0.13.69 allows remote attackers to cause a denial of service via the return value "zzip_file_read" in the function "unzzip_cat_file".

Un bucle infinito en zziplib versión v0.13.69, permite a atacantes remotos causar una denegación de servicio por medio del valor de retorno "zzip_file_read" en la función "unzzip_cat_file"

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2021-06-18 CVE Published
2023-11-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2021/12/msg00021.html	Mailing List

URL	Date	SRC
https://github.com/gdraheim/zziplib/issues/68	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCFYD46OY4VAGJ4UX7IFOH5SHD4UW4ZA	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVANTEBDQGOIPC5KCEVAGA5KT4KKTGWB	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-18442	2021-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1973826	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zziplib Project Search vendor "Zziplib Project"		Zziplib Search vendor "Zziplib Project" for product "Zziplib"				0.13.69 Search vendor "Zziplib Project" for product "Zziplib" and version "0.13.69"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected