Lucene search
K
Database
Vendors
Products
Years
CVSS
Scanner
Agent Scanning
API Scanning
Manual Audit
Perimeter Scanner
Scanning
Projects
Email
Webhook
Plugins
Resources
Documents
Blog
Glossary
FAQ
Pricing
Contacts
About Us
Partners
Branding Guideline
ubuntuUbuntuUSN-4969-1
HistoryMay 27, 2021 - 12:00 a.m.

DHCP vulnerability

2021-05-2700:00:00
ubuntu.com
109
dhcp server client ubuntu 21.04 20.10 20.04 lts 18.04 esm lease file parsing denial of service

CVSS2

3.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.4

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

AI Score

7.7

Confidence

High

EPSS

0.003

Percentile

68.3%

JSON

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • isc-dhcp - DHCP server and client

Details

Jon Franklin and Pawel Wieczorkiewicz discovered that DHCP incorrectly
handled lease file parsing. A remote attacker could possibly use this issue
to cause DHCP to crash, resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchisc-dhcp-client< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-client-dbgsym< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-client-ddns< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-client-ddns-dbgsym< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-common< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-dev< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-relay< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-relay-dbgsym< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-server< 4.4.1-2.2ubuntu6.1UNKNOWN
Ubuntu21.04noarchisc-dhcp-server-dbgsym< 4.4.1-2.2ubuntu6.1UNKNOWN
Rows per page:
1-10 of 511

Related

nessus 60
suse 2
prion 1
mageia 1
osv 6
openvas 25
redhat 15
cve 1
nvd 1
amazon 2
ibm 3
almalinux 1
rocky 1
oraclelinux 3
redhatcve 1
cbl_mariner 2
slackware 1
veracode 1
f5 1
debiancve 1
fedora 2
archlinux 2
ubuntucve 1
freebsd 1
photon 5
cloudlinux 1
ubuntu 1
cvelist 1
alpinelinux 1
cloudfoundry 1
debian 1
centos 1
gentoo 1
ics 1
nessus
nessus
EulerOS 2.0 SP9 : dhcp (EulerOS-SA-2021-2267)
2021-08-09 00:00:00
Amazon Linux AMI : dhcp (ALAS-2021-1510)
2021-07-13 00:00:00
RHEL 6 : dhcp (RHSA-2021:2419)
2021-12-02 00:00:00
suse
suse
Security update for dhcp (important)
2021-07-11 00:00:00
Security update for dhcp (important)
2021-06-04 00:00:00
prion
prion
Input validation
2021-05-26 22:15:00
mageia
mageia
Updated dhcp packages fix a security vulnerability
2021-07-01 02:58:41
osv
osv
CVE-2021-25217
2021-05-26 22:15:07
isc-dhcp vulnerability
2021-05-27 10:41:47
isc-dhcp - security update
2021-06-03 00:00:00
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2021:1822-1)
2021-06-09 00:00:00
Mageia: Security Advisory (MGASA-2021-0307)
2022-01-28 00:00:00
CentOS: Security Advisory for dhclient (CESA-2021:2357)
2021-06-15 00:00:00
redhat
redhat
(RHSA-2021:2418) Important: dhcp security update
2021-06-14 18:58:51
(RHSA-2021:2357) Important: dhcp security update
2021-06-09 09:11:43
(RHSA-2021:2405) Important: dhcp security update
2021-06-14 13:09:38
cve
cve
CVE-2021-25217
2021-05-26 22:15:07
nvd
nvd
CVE-2021-25217
2021-05-26 22:15:07
amazon
amazon
Important: dhcp
2021-06-16 20:37:00
Important: dhcp
2021-07-08 18:38:00
ibm
ibm
Security Bulletin: TS4500 is affected by CVE-2021-25217
2021-10-13 01:39:17
Security Bulletin: ISC DHCP for IBM i is affected by CVE-2021-25217
2021-09-17 21:17:32
Security Bulletin: Multiple security vulnerabilities affect IBM Cloud Foundry Migration Runtime
2021-10-13 14:44:47
almalinux
almalinux
Important: dhcp security update
2021-06-09 09:19:12
rocky
rocky
dhcp security update
2021-06-09 09:19:12
oraclelinux
oraclelinux
dhcp security update
2021-06-10 00:00:00
dhcp security update
2021-06-17 00:00:00
dhcp security update
2021-06-10 00:00:00
redhatcve
redhatcve
CVE-2021-25217
2021-05-27 07:15:48
cbl_mariner
cbl_mariner
CVE-2021-25217 affecting package dhcp 4.4.2-3
2021-06-09 03:50:39
CVE-2021-25217 affecting package dhcp for versions less than 4.4.2-4
2022-04-09 06:51:48
slackware
slackware
[slackware-security] dhcp
2021-05-29 17:45:10
veracode
veracode
Denial Of Service (DoS)
2021-06-11 10:50:00
f5
f5
K08832573 : DHCP vulnerability CVE-2021-25217
2022-05-20 00:00:00
debiancve
debiancve
CVE-2021-25217
2021-05-26 22:15:07
fedora
fedora
[SECURITY] Fedora 33 Update: dhcp-4.4.2-9.b1.fc33
2021-06-05 01:14:52
[SECURITY] Fedora 34 Update: dhcp-4.4.2-11.b1.fc34
2021-06-02 00:57:52
archlinux
archlinux
[ASA-202106-11] dhcp: arbitrary code execution
2021-06-01 00:00:00
[ASA-202106-10] dhclient: arbitrary code execution
2021-06-01 00:00:00
ubuntucve
ubuntucve
CVE-2021-25217
2021-05-26 00:00:00
freebsd
freebsd
isc-dhcp -- remotely exploitable vulnerability
2021-05-26 00:00:00
photon
photon
Moderate Photon OS Security Update - PHSA-2021-0034
2021-05-27 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0394
2021-05-27 00:00:00
Important Photon OS Security Update - PHSA-2021-4.0-0034
2021-05-27 00:00:00
cloudlinux
cloudlinux
Fix of CVE: CVE-2021-25217
2021-06-07 14:19:01
ubuntu
ubuntu
DHCP vulnerability
2021-05-27 00:00:00
cvelist
cvelist
CVE-2021-25217 A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient
2021-05-26 22:10:11
alpinelinux
alpinelinux
CVE-2021-25217
2021-05-26 22:15:07
cloudfoundry
cloudfoundry
USN-4969-1: DHCP vulnerability | Cloud Foundry
2021-06-11 00:00:00
debian
debian
[SECURITY] [DLA 2674-1] isc-dhcp security update
2021-06-03 11:42:33
centos
centos
dhclient, dhcp security update
2021-06-14 18:46:22
gentoo
gentoo
ISC DHCP: Multiple Vulnerabilities
2023-05-03 00:00:00
ics
ics
Siemens SINEC INS
2022-09-15 12:00:00

CVSS2

3.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.4

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

AI Score

7.7

Confidence

High

EPSS

0.003

Percentile

68.3%

JSON
Related for USN-4969-1
nessus60suse2prion1mageia1osv6openvas25redhat15cve1nvd1amazon2ibm3almalinux1rocky1oraclelinux3redhatcve1cbl_mariner2slackware1veracode1f51debiancve1fedora2archlinux2ubuntucve1freebsd1photon5cloudlinux1ubuntu1cvelist1alpinelinux1cloudfoundry1debian1centos1gentoo1ics1