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CVE-2021-25217

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 26-05-2021 02:00
Last modified: - 26-05-2021 02:00
Total changes: - 156

Description

CVE-2021-25217 dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Low
Attack complexity
Adjacent
Attack vector
High
Availability
High
Confidentiality
High
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
8.8
Base score
Exploitability score
Impact score
 

Verification logic

OR
AND
product=dhcp-12 AND versionEndExcluding=4.1.1-64.P1.el6_10
vendor=Red Hat Enterprise Linux AND product=rhel_els AND version=6
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-83.el7_9.1
vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-42.el7_2.2
vendor=Red Hat Enterprise Linux AND product=rhel_aus AND version=7.2
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-47.el7_3.2
vendor=Red Hat Enterprise Linux AND product=rhel_aus AND version=7.3
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-58.el7_4.5
vendor=Red Hat Enterprise Linux AND product=rhel_aus AND version=7.4
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-58.el7_4.5
vendor=Red Hat Enterprise Linux AND product=rhel_tus AND version=7.4
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-58.el7_4.5
vendor=Red Hat Enterprise Linux AND product=rhel_e4s AND version=7.4
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-69.el7_6.1
vendor=Red Hat Enterprise Linux AND product=rhel_aus AND version=7.6
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-69.el7_6.1
vendor=Red Hat Enterprise Linux AND product=rhel_tus AND version=7.6
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-69.el7_6.1
vendor=Red Hat Enterprise Linux AND product=rhel_e4s AND version=7.6
AND
product=dhcp-12 AND versionEndExcluding=4.2.5-77.el7_7.1
vendor=Red Hat Enterprise Linux AND product=rhel_eus AND version=7.7
AND
product=dhcp-12 AND versionEndExcluding=4.3.6-44.el8_4.1
vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8
AND
product=dhcp-12 AND versionEndExcluding=4.3.6-34.el8_1.2
vendor=Red Hat Enterprise Linux AND product=rhel_eus AND version=8.1
AND
product=dhcp-12 AND versionEndExcluding=4.3.6-40.el8_2.2
vendor=Red Hat Enterprise Linux AND product=rhel_eus AND version=8.2
AND
product=cri-o-0 AND versionEndExcluding=1.20.3-6.rhaos4.7.git0d0f863.el7
vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.7
AND
product=dhcp-12 AND versionEndExcluding=4.3.6-41.el8_3.1
vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.7
AND
product=openshift-clients-0 AND versionEndExcluding=4.7.0-202106252127.p0.git.8b4b094.el7
vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.7
AND
product=openshift-kuryr-0 AND versionEndExcluding=4.7.0-202106232224.p0.git.c7654fb.el8
vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.7
AND
product=polkit-0 AND versionEndExcluding=0.115-11.el8_3.2
vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.7
AND
product=redhat-virtualization-host-0 AND versionEndExcluding=4.3.16-20210615.0.el7_9
vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7
 

Reference

 


Keywords

REDHAT

 

CVE-2021-25217

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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