Bug 1154849 - (CVE-2019-14834) VUL-1: CVE-2019-14834: dnsmasq: memory leak in the create_helper() function in /src/helper.c
(CVE-2019-14834)
VUL-1: CVE-2019-14834: dnsmasq: memory leak in the create_helper() function i...
Status: RESOLVED FIXED
Classification: Novell Products
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents
unspecified
Other Other
: P4 - Low : Normal
: ---
Assigned To: Security Team bot
Security Team bot
https://smash.suse.de/issue/245533/
CVSSv3:SUSE:CVE-2019-14834:4.3:(AV:A/...
:
Depends on:
Blocks:
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Reported: 2019-10-23 11:47 UTC by Alexandros Toptsoglou
Modified: 2022-05-17 11:40 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Alexandros Toptsoglou 2019-10-23 11:47:40 UTC
CVE-2019-14834

A vulnerability was found in dnsmsq through version 2.90, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.

Reference:
http://www.thekelleys.org.uk/dnsmasq/doc.html
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1764425
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-14834
Comment 1 Alexandros Toptsoglou 2019-10-23 11:54:58 UTC
Tracked as affected the following codestreams: 

SUSE:SLE-11-SP3:Update 
SUSE:SLE-11-SP4:Update 
SUSE:SLE-12-SP1:Update
SUSE:SLE-15:Update
SUSE:SLE-15-SP1:Update 

It seems that the issue introduced in version 2.60 with commit c72daea8
Comment 4 Swamp Workflow Management 2019-11-13 16:00:15 UTC
This is an autogenerated message for OBS integration:
This bug (1154849) was mentioned in
https://build.opensuse.org/request/show/748378 Factory / dnsmasq
Comment 6 Swamp Workflow Management 2019-12-05 14:12:42 UTC
SUSE-SU-2019:3189-1: An update that solves two vulnerabilities and has three fixes is now available.

Category: security (moderate)
Bug References: 1076958,1138743,1152539,1154849,1156543
CVE References: CVE-2017-15107,CVE-2019-14834
Sources used:
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (src):    dnsmasq-2.78-7.3.1
SUSE Linux Enterprise Module for Basesystem 15-SP1 (src):    dnsmasq-2.78-7.3.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 7 Swamp Workflow Management 2019-12-05 20:19:23 UTC
SUSE-SU-2019:3188-1: An update that solves two vulnerabilities and has three fixes is now available.

Category: security (moderate)
Bug References: 1076958,1138743,1152539,1154849,1156543
CVE References: CVE-2017-15107,CVE-2019-14834
Sources used:
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (src):    dnsmasq-2.78-3.8.1
SUSE Linux Enterprise Module for Basesystem 15 (src):    dnsmasq-2.78-3.8.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 8 Swamp Workflow Management 2019-12-11 14:24:53 UTC
openSUSE-SU-2019:2669-1: An update that solves two vulnerabilities and has three fixes is now available.

Category: security (moderate)
Bug References: 1076958,1138743,1152539,1154849,1156543
CVE References: CVE-2017-15107,CVE-2019-14834
Sources used:
openSUSE Leap 15.1 (src):    dnsmasq-2.78-lp151.5.3.1
Comment 9 Swamp Workflow Management 2020-02-19 17:13:58 UTC
SUSE-SU-2020:0419-1: An update that solves one vulnerability and has one errata is now available.

Category: security (moderate)
Bug References: 1138743,1154849
CVE References: CVE-2019-14834
Sources used:
SUSE OpenStack Cloud Crowbar 9 (src):    dnsmasq-2.78-18.12.1
SUSE OpenStack Cloud Crowbar 8 (src):    dnsmasq-2.78-18.12.1
SUSE OpenStack Cloud 9 (src):    dnsmasq-2.78-18.12.1
SUSE OpenStack Cloud 8 (src):    dnsmasq-2.78-18.12.1
SUSE OpenStack Cloud 7 (src):    dnsmasq-2.78-18.12.1
SUSE Linux Enterprise Server 12-SP5 (src):    dnsmasq-2.78-18.12.1
SUSE Linux Enterprise Server 12-SP4 (src):    dnsmasq-2.78-18.12.1
SUSE Linux Enterprise Desktop 12-SP4 (src):    dnsmasq-2.78-18.12.1
HPE Helion Openstack 8 (src):    dnsmasq-2.78-18.12.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 11 Swamp Workflow Management 2021-01-19 14:18:14 UTC
SUSE-SU-2021:14603-1: An update that fixes 8 vulnerabilities is now available.

Category: security (important)
Bug References: 1154849,1176076,1177077
CVE References: CVE-2019-14834,CVE-2020-25681,CVE-2020-25682,CVE-2020-25683,CVE-2020-25684,CVE-2020-25685,CVE-2020-25686,CVE-2020-25687
JIRA References: 
Sources used:
SUSE Linux Enterprise Server 11-SP4-LTSS (src):    dnsmasq-2.78-0.17.15.1
SUSE Linux Enterprise Debuginfo 11-SP4 (src):    dnsmasq-2.78-0.17.15.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 12 Gabriele Sonnu 2022-05-17 11:40:10 UTC
Done.