CVE-2019-6454

An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00062.html	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/02/18/3	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/02/19/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/07/20/2	Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/107081	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:0368	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0990	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1322	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1502	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2805	Third Party Advisory
https://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.c	Patch Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10278	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00031.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/
https://security.netapp.com/advisory/ntap-20190327-0004/	Third Party Advisory
https://usn.ubuntu.com/3891-1/	Third Party Advisory
https://www.debian.org/security/2019/dsa-4393	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:systemd_project:systemd:239:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 5 (hide)

cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*

Configuration 6 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration 7 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

Configuration 8 (hide)

OR	cpe:2.3:a:mcafee:web_gateway::::::::
	cpe:2.3:a:mcafee:web_gateway::::::::
	cpe:2.3:a:mcafee:web_gateway::::::::

History

No history.

Information

Published : 2019-03-21 16:01

Updated : 2023-11-07 03:13

NVD link : CVE-2019-6454

Mitre link : CVE-2019-6454

CVE.ORG link : CVE-2019-6454

JSON object : View

Products Affected

opensuse

leap

redhat

enterprise_linux_desktop
enterprise_linux_eus
enterprise_linux_for_power_little_endian_eus
enterprise_linux_server_tus
enterprise_linux_server_aus
enterprise_linux_compute_node_eus
enterprise_linux_server
enterprise_linux
enterprise_linux_server_update_services_for_sap_solutions
enterprise_linux_workstation
enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
enterprise_linux_for_power_big_endian_eus
enterprise_linux_for_ibm_z_systems_eus
enterprise_linux_server_eus
enterprise_linux_for_power_little_endian

mcafee

web_gateway

fedoraproject

fedora

systemd_project

systemd

canonical

ubuntu_linux

netapp

active_iq_performance_analytics_services

debian

debian_linux

CWE

CWE-787

Out-of-bounds Write

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An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic)."}, {"lang": "es", "value": "Se ha descubierto un problema en sd-bus en systemd 239. bus_process_object() en libsystemd/sd-bus/bus-objects.c asigna un b\u00fafer de pila de longitud variable para almacenar temporalmente la ruta de objeto de los mensajes D-Bus entrantes. Un usuario local sin privilegios puede explotar esto enviando un mensaje especialmente manipulado a PID1, provocando que el puntero de la pila salte por las p\u00e1ginas guard de la pila hasta una regi\u00f3n de memoria no mapeada y desencadene una denegaci\u00f3n de servicio (cierre inesperado del PID1 en systemd y p\u00e1nico del kernel)."}], "lastModified": "2023-11-07T03:13:09.723", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:systemd_project:systemd:239:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6867987C-E8AF-4CBB-92A4-4F1D85976482"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "83077160-BB98-408B-81F0-8EF9E566BF28"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": 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"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0AB105EC-19F9-424A-86F1-305A6FD74A9C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C9BD9AE-46FC-4609-8D99-A3CFE91D58D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "277E06A0-90F5-4F97-94EA-5A18E242B800"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF307B8C-4548-47D9-9D2E-F61AE0BFAADD"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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"7.7.2.21"}, {"criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43FAD524-3E83-482B-8F74-6014BC52F46B", "versionEndExcluding": "7.8.2.8", "versionStartIncluding": "7.8.0"}, {"criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D943214-14D8-47BC-BCF4-76B78EE95028", "versionEndExcluding": "8.1.1", "versionStartIncluding": "8.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

JSON object

Attach tags to CVE-2019-6454

5.5^/10

4.9^/10

Attach tags to `CVE-2019-6454`