CVE-2016-5423

PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.

CVSS v3.0 8.3 HIGH
CVSS v2.0 6.5 MEDIUM

8.3^/10

CVSS v3.0 : HIGH

V3 Legend

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.postgresql.org/docs/current/static/release-9-2-18.html	Release Notes Vendor Advisory
https://www.postgresql.org/docs/current/static/release-9-5-4.html	Release Notes Vendor Advisory
http://www.debian.org/security/2016/dsa-3646	Third Party Advisory
https://www.postgresql.org/docs/current/static/release-9-4-9.html	Release Notes Vendor Advisory
http://www.securityfocus.com/bid/92433	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036617	Third Party Advisory VDB Entry
https://www.postgresql.org/about/news/1688/	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1364001	Issue Tracking Third Party Advisory VDB Entry
https://www.postgresql.org/docs/current/static/release-9-1-23.html	Release Notes Vendor Advisory
https://www.postgresql.org/docs/current/static/release-9-3-14.html	Release Notes Vendor Advisory
https://security.gentoo.org/glsa/201701-33
https://access.redhat.com/errata/RHSA-2017:2425
http://rhn.redhat.com/errata/RHSA-2016-2606.html
http://rhn.redhat.com/errata/RHSA-2016-1821.html
http://rhn.redhat.com/errata/RHSA-2016-1820.html
http://rhn.redhat.com/errata/RHSA-2016-1781.html

Configurations

Configuration 1 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:postgresql:postgresql:9.5:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.8:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.1:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.7:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.6:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.7:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.6:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.13:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.12:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.5:::::::*
	cpe:2.3:a:postgresql:postgresql:9.5.1:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.5:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.13:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.12:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.11:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.2:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.11:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.3:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.2:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.4:::::::*
	cpe:2.3:a:postgresql:postgresql:9.4.3:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.4:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.10:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.10:::::::*
	cpe:2.3:a:postgresql:postgresql:9.5.3:::::::*
	cpe:2.3:a:postgresql:postgresql:9.5.2:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.1:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.9:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.4:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.5:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.2:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.8:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.1:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.9:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.15:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.6:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2:::::::*
	cpe:2.3:a:postgresql:postgresql:9.3.3:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.7:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.16:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.8:::::::*
	cpe:2.3:a:postgresql:postgresql:9.2.17:::::::*
	cpe:2.3:a:postgresql:postgresql::::::::
	cpe:2.3:a:postgresql:postgresql:9.2.14:::::::*

Information

Published : 2016-12-09 15:59

Updated : 2018-01-04 18:31

NVD link : CVE-2016-5423

Mitre link : CVE-2016-5423

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

Products Affected

debian

debian_linux

postgresql

postgresql

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"BID"}, {"url": "http://www.securitytracker.com/id/1036617", "name": "1036617", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "https://www.postgresql.org/about/news/1688/", "name": "https://www.postgresql.org/about/news/1688/", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1364001", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1364001", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "https://www.postgresql.org/docs/current/static/release-9-1-23.html", "name": "https://www.postgresql.org/docs/current/static/release-9-1-23.html", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.postgresql.org/docs/current/static/release-9-3-14.html", "name": "https://www.postgresql.org/docs/current/static/release-9-3-14.html", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://security.gentoo.org/glsa/201701-33", "name": "GLSA-201701-33", "tags": [], "refsource": "GENTOO"}, {"url": "https://access.redhat.com/errata/RHSA-2017:2425", "name": "RHSA-2017:2425", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2606.html", "name": "RHSA-2016:2606", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1821.html", "name": "RHSA-2016:1821", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1820.html", "name": "RHSA-2016:1820", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1781.html", "name": "RHSA-2016:1781", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-476"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-5423", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 5.5, "exploitabilityScore": 2.8}}, "publishedDate": "2016-12-09T23:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.4.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": 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"cpe:2.3:a:postgresql:postgresql:9.3.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.3.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.9:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.15:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.3.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.16:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.17:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "9.1.22"}, {"cpe23Uri": "cpe:2.3:a:postgresql:postgresql:9.2.14:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-01-05T02:31Z"}

8.3 /10