Vulnerability CVE-2021-28211

Vulnerability Name:

CVE-2021-28211 (CCN-203849)

Assigned:

2019-05-15

Published:

2019-05-15

Updated:

2021-06-22

Summary:

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

CVSS v3 Severity:

6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

6.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

6.7 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

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

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low 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 Type:

CWE-787
CWE-120

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-28211

Source: CCN
Type: TianoCore Bugzilla Bug 1816
(CVE-2021-28211) - Possible heap corruption with LzmaUefiDecompressGetInfo

Source: MISC
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.tianocore.org/show_bug.cgi?id=1816

Source: XF
Type: UNKNOWN
edk-cve202128211-bo(203849)

Source: CCN
Type: tianocore / edk2 GIT Repository
[edk2-devel] [PATCH RESEND 0/1] security fix: possible heap corruption with LzmaUefiDecompressGetInfo -- push #1138

Vulnerable Configuration:

Configuration 1:

cpe:/a:tianocore:edk2:202008:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8024	P	jetty-http-9.4.48-150200.3.16.3 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:612	P	Security update for rubygem-tzinfo (Important)	2022-07-29
oval:org.opensuse.security:def:3511	P	grub2-2.02-12.15.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:95141	P	ovmf-202202-150400.3.3 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:5995	P	Security update for java-1_8_0-ibm (Important)	2022-03-29
oval:org.opensuse.security:def:99493	P	(Important)	2022-03-04
oval:org.opensuse.security:def:102256	P	Security update for apache2 (Important)	2022-01-17
oval:org.opensuse.security:def:113078	P	ovmf-202105-3.4 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106515	P	Security update for busybox (Important) (in QA)	2022-01-14
oval:org.opensuse.security:def:99692	P	(Moderate)	2021-11-04
oval:org.opensuse.security:def:100000	P	(Important)	2021-10-15
oval:org.opensuse.security:def:63362	P	ovmf-202008-8.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:2273	P	ovmf-202008-8.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:101388	P	ovmf-202008-8.1 on GA media (Moderate)	2021-08-10
oval:com.redhat.rhsa:def:20212591	P	RHSA-2021:2591: edk2 security update (Moderate)	2021-06-29
oval:org.opensuse.security:def:9743	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:99102	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:92152	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:8991	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:92941	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:70252	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:10112	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:99294	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:92344	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:97140	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:69498	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:9358	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:93094	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:70434	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:10294	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:8614	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:92543	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:69684	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:9544	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:98907	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:93247	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:91957	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:8796	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:92742	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:69883	P	Security update for ovmf (Important)	2021-06-25
oval:org.opensuse.security:def:55211	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:83423	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:29388	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:55919	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:82595	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:30096	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:56039	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:83303	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:30216	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:111298	P	Security update for ovmf (Moderate)	2021-04-02
oval:org.opensuse.security:def:5987	P	Security update for ovmf (Moderate)	2021-03-30
oval:org.opensuse.security:def:60488	P	Security update for ovmf (Moderate)	2021-03-30
oval:org.opensuse.security:def:34665	P	Security update for ovmf (Moderate)	2021-03-30
oval:org.opensuse.security:def:95543	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:109461	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:69113	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:33103	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:96105	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:118557	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:87567	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:97353	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:102795	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:108922	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:67084	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:76152	P	Security update for ovmf (Moderate)	2021-03-29
oval:org.opensuse.security:def:58926	P	Security update for ovmf (Moderate)	2021-03-29

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