Vulnerability CVE-2020-36430

Vulnerability Name:

CVE-2020-36430 (CCN-205939)

Assigned:

2020-10-27

Published:

2020-10-27

Updated:

2022-12-09

Summary:

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2020-36430

Source: CCN
Type: Google Security Research Issue 26674
libass:libass_fuzzer: Heap-buffer-overflow in decode_chars

Source: cve@mitre.org
Type: Issue Tracking, Patch, Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
libass-cve202036430-bo(205939)

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: libass GIT Repository
GitHub - libass/libass: libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7920	P	libass-devel-0.14.0-150000.3.11.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:6138	P	Security update for java-1_8_0-openjdk (Important)	2022-08-16
oval:org.opensuse.security:def:95356	P	Security update for the Linux Kernel (Important)	2022-07-21
oval:org.opensuse.security:def:3301	P	memcached-1.4.39-4.6.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94931	P	libass-devel-0.14.0-3.9.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94793	P	python3-Jinja2-2.10.1-3.10.2 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:93120	P	(Moderate)	2021-12-23
oval:org.opensuse.security:def:100029	P	(Moderate)	2021-12-07
oval:org.opensuse.security:def:93273	P	(Important)	2021-12-01
oval:org.opensuse.security:def:102069	P	Security update for binutils (Moderate)	2021-11-04
oval:org.opensuse.security:def:101506	P	Security update for ghostscript (Critical)	2021-09-15
oval:org.opensuse.security:def:111018	P	Security update for libass (Important)	2021-08-21
oval:org.opensuse.security:def:65302	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:10136	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:98934	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:92570	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:69711	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:75965	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:9382	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:99719	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:4148	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:91984	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:66897	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:10321	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:101717	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:8638	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:99129	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:111674	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:92769	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:69910	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:76295	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:117686	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:9571	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:4213	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:92179	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:67227	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:74305	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:1026	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:8823	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:99321	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:108172	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:92967	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:70276	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:65237	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:9770	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:5808	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:92371	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:69522	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:74370	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:9018	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:99520	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:108735	P	Security update for libass (Important)	2021-08-20
oval:org.opensuse.security:def:70461	P	Security update for libass (Important)	2021-08-20

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