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ubuntuUbuntuUSN-1571-1
HistorySep 18, 2012 - 12:00 a.m.

DHCP vulnerability

2012-09-1800:00:00
ubuntu.com
32

7.1 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

6.4 Medium

AI Score

Confidence

Low

0.021 Low

EPSS

Percentile

89.1%

JSON

Releases

  • Ubuntu 12.04
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04

Packages

  • dhcp3 - DHCP server and client
  • isc-dhcp - DHCP server and client

Details

Glen Eustace discovered that the DHCP server incorrectly handled IPv6
expiration times. A remote attacker could use this issue to cause DHCP to
crash, resulting in a denial of service. This issue only affected Ubuntu
11.04, Ubuntu 11.10 and Ubuntu 12.04 LTS. (CVE-2012-3955)

Dan Rosenberg discovered that the DHCP AppArmor profile could be escaped by
using environment variables. This update mitigates the issue by sanitizing
certain variables in the DHCP shell scripts.

OSVersionArchitecturePackageVersionFilename
Ubuntu12.04noarchisc-dhcp-server< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-client< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-client-dbg< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-client-udeb< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-common< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-dev< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-relay< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-relay-dbg< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-server-dbg< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Ubuntu12.04noarchisc-dhcp-server-ldap< 4.1.ESV-R4-0ubuntu5.5UNKNOWN
Rows per page:
1-10 of 371

Related

cve 1
nessus 19
openvas 24
veracode 1
centos 1
slackware 1
securityvulns 2
f5 2
redhat 2
debian 1
prion 1
fedora 5
amazon 1
nvd 1
debiancve 1
ubuntucve 1
cvelist 1
oraclelinux 1
gentoo 1
cve
cve
CVE-2012-3955
2012-09-14 10:33:21
nessus
nessus
Fedora 17 : dhcp-4.2.4-13.P2.fc17 (2012-14149)
2012-09-27 00:00:00
Fedora 18 : dhcp-4.2.4-15.P2.fc18 (2012-13910)
2012-09-18 00:00:00
Mandriva Linux Security Advisory : dhcp (MDVSA-2012:153-1)
2012-10-03 00:00:00
openvas
openvas
Debian: Security Advisory (DSA-2551-1)
2012-09-26 00:00:00
Mandriva Update for dhcp MDVSA-2012:153-1 (dhcp)
2012-10-03 00:00:00
Ubuntu Update for isc-dhcp USN-1571-1
2012-09-22 00:00:00
veracode
veracode
Denial Of Service (DoS)
2019-01-15 08:57:11
centos
centos
dhclient, dhcp security update
2013-02-27 19:34:21
slackware
slackware
[slackware-security] dhcp
2012-09-14 22:21:58
securityvulns
securityvulns
[ MDVSA-2012:153 ] dhcp
2012-09-18 00:00:00
ISC dhcp multiple security vulnerabilities
2012-09-18 00:00:00
f5
f5
SOL16873 - ISC DHCP vulnerability CVE-2012-3955
2015-07-02 00:00:00
K16873 : ISC DHCP vulnerability CVE-2012-3955
2015-07-02 00:00:00
redhat
redhat
(RHSA-2013:0504) Low: dhcp security and bug fix update
2013-02-21 00:00:00
(RHSA-2013:0579) Important: rhev-hypervisor6 security, bug fix, and enhancement update
2013-02-28 00:00:00
debian
debian
[SECURITY] [DSA 2551-1] isc-dhcp security update
2012-09-23 22:16:15
prion
prion
Code injection
2012-09-14 10:33:00
fedora
fedora
[SECURITY] Fedora 18 Update: dhcp-4.2.4-15.P2.fc18
2012-09-17 23:13:39
[SECURITY] Fedora 17 Update: dhcp-4.2.4-13.P2.fc17
2012-09-26 08:53:17
[SECURITY] Fedora 17 Update: dhcp-4.2.4-16.P2.fc17
2012-10-19 23:59:48
amazon
amazon
Low: dhcp
2013-03-02 16:47:00
nvd
nvd
CVE-2012-3955
2012-09-14 10:33:21
debiancve
debiancve
CVE-2012-3955
2012-09-14 10:33:21
ubuntucve
ubuntucve
CVE-2012-3955
2012-09-13 00:00:00
cvelist
cvelist
CVE-2012-3955
2012-09-14 10:00:00
oraclelinux
oraclelinux
dhcp security and bug fix update
2013-02-22 00:00:00
gentoo
gentoo
ISC DHCP: Denial of service
2013-01-09 00:00:00

7.1 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

6.4 Medium

AI Score

Confidence

Low

0.021 Low

EPSS

Percentile

89.1%

JSON
Related for USN-1571-1
cve1nessus19openvas24veracode1centos1slackware1securityvulns2f52redhat2debian1prion1fedora5amazon1nvd1debiancve1ubuntucve1cvelist1oraclelinux1gentoo1