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CVE-2019-14834

Date: January 7, 2020

A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.

Language: C

Severity Score

Related Resources (14)

https://nvd.nist.gov/vuln/detail/CVE-2019-14834
https://access.redhat.com/security/cve/CVE-2019-14834
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/
https://security.alpinelinux.org/vuln/CVE-2019-14834
https://access.redhat.com/errata/RHSA-2020:1715
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14834
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/
https://access.redhat.com/errata/RHSA-2020:3878
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=69bc94779c2f035a9fffdb5327a54c3aeca73ed5
https://security-tracker.debian.org/tracker/CVE-2019-14834
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-14834
https://bugzilla.redhat.com/show_bug.cgi?id=1764425
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5
https://www.mend.io/vulnerability-database/CVE-2019-14834

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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