CVE-2021-3800

glib2: Possible privilege escalation thourgh pkexec and aliases

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.

Se ha encontrado un fallo en glib versiones anteriores a 2.63.6. Debido a los alias de conjuntos de caracteres aleatorios, pkexec puede filtrar el contenido de los archivos propiedad de usuarios con privilegios a los que no los presentan bajo la condición apropiada.

*Credits: N/A

CVSS Scores

NISTv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-14 CVE Reserved
2021-11-10 CVE Published
2024-03-15 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-552: Files or Directories Accessible to External Parties

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/09/msg00020.html	Mailing List
https://security.netapp.com/advisory/ntap-20221028-0004	Third Party Advisory

URL	Date	SRC
https://www.openwall.com/lists/oss-security/2017/06/23/8	2024-08-03

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1938284	2021-11-09
https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995	2023-04-25

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-3800	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnome Search vendor "Gnome"		Glib Search vendor "Gnome" for product "Glib"				< 2.62.5 Search vendor "Gnome" for product "Glib" and version " < 2.62.5"		-		Affected
Gnome Search vendor "Gnome"		Glib Search vendor "Gnome" for product "Glib"				>= 2.63.0 < 2.63.6 Search vendor "Gnome" for product "Glib" and version " >= 2.63.0 < 2.63.6"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Netapp Search vendor "Netapp"		Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager"				-		vmware_vsphere		Affected