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Vulnerability details: VCID-4cya-tv75-aaaj
Vulnerability ID VCID-4cya-tv75-aaaj
Aliases CVE-2019-12436
Summary Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-12436.html
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12436.json
epss 0.01477 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01477 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01477 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.01688 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
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epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
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epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.04592 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
epss 0.06887 https://api.first.org/data/v1/epss?cve=CVE-2019-12436
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1711837
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12436
cvssv3 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2019-12436
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2019-12436
generic_textual Medium https://ubuntu.com/security/notices/USN-4018-1
generic_textual Medium https://www.samba.org/samba/security/CVE-2019-12436.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-12436.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12436.json
https://api.first.org/data/v1/epss?cve=CVE-2019-12436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12436
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
https://ubuntu.com/security/notices/USN-4018-1
https://usn.ubuntu.com/4018-1/
https://www.samba.org/samba/security/CVE-2019-12436.html
https://www.synology.com/security/advisory/Synology_SA_19_27
http://www.securityfocus.com/bid/108823
1711837 https://bugzilla.redhat.com/show_bug.cgi?id=1711837
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
CVE-2019-12436 https://nvd.nist.gov/vuln/detail/CVE-2019-12436
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12436.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12436
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12436
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.86484
EPSS Score 0.01477
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.