CVE-2017-18078
Detail
Modified This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to nvd@nist.gov .
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-59
Improper Link Resolution Before File Access ('Link Following')
NIST
Change History
12 change records found show
changes
CVE Modified by CVE 11/20/2024 10:19:18 PM
Action
Type
Old Value
New Value
Added
Reference
http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html
Added
Reference
http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html
Added
Reference
http://www.openwall.com/lists/oss-security/2018/01/29/3
Added
Reference
https://github.com/systemd/systemd/issues/7736
Added
Reference
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/04/msg00022.html
Added
Reference
https://www.exploit-db.com/exploits/43935/
Added
Reference
https://www.openwall.com/lists/oss-security/2018/01/29/4
CVE Modified by MITRE 5/14/2024 12:31:10 AM
Action
Type
Old Value
New Value
CVE Modified by MITRE 11/06/2023 9:41:50 PM
Action
Type
Old Value
New Value
Added
Reference
MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
Added
Reference
MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
Removed
Reference
MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Removed
Reference
MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
Modified Analysis by NIST 1/31/2022 1:24:42 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Removed
CVSS V3
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed
CPE Configuration
OR
*cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions up to (excluding) 237
OR
*cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* versions up to (excluding) 237
Changed
Reference Type
https://github.com/systemd/systemd/issues/7736 Exploit, Third Party Advisory
https://github.com/systemd/systemd/issues/7736 Exploit, Issue Tracking, Third Party Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Third Party Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Third Party Advisory
CVE Modified by MITRE 6/29/2021 11:15:13 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
CVE Modified by MITRE 6/28/2021 11:15:14 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
CWE Remap by NIST 10/02/2019 8:03:26 PM
Action
Type
Old Value
New Value
Changed
CWE
CWE-264
CWE-59
Modified Analysis by NIST 4/26/2019 11:07:13 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
Changed
Reference Type
http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html No Types Assigned
http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html Mailing List, Third Party Advisory
Changed
Reference Type
http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html No Types Assigned
http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
Changed
Reference Type
http://www.openwall.com/lists/oss-security/2018/01/29/3 No Types Assigned
http://www.openwall.com/lists/oss-security/2018/01/29/3 Exploit, Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2019/04/msg00022.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2019/04/msg00022.html Mailing List, Third Party Advisory
Changed
Reference Type
https://www.openwall.com/lists/oss-security/2018/01/29/4 No Types Assigned
https://www.openwall.com/lists/oss-security/2018/01/29/4 Mailing List, Third Party Advisory
CVE Modified by MITRE 4/24/2019 6:29:00 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/04/msg00022.html [No Types Assigned]
CVE Modified by MITRE 10/10/2018 5:29:00 PM
Action
Type
Old Value
New Value
Added
Reference
http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html [No Types Assigned]
Added
Reference
http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html [No Types Assigned]
Added
Reference
http://www.openwall.com/lists/oss-security/2018/01/29/3 [No Types Assigned]
Added
Reference
https://www.openwall.com/lists/oss-security/2018/01/29/4 [No Types Assigned]
Initial Analysis by NIST 2/28/2018 1:16:51 PM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added
CWE
CWE-264
Added
CPE Configuration
OR
*cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions up to (excluding) 237
Changed
Reference Type
https://github.com/systemd/systemd/issues/7736 No Types Assigned
https://github.com/systemd/systemd/issues/7736 Exploit, Third Party Advisory
Changed
Reference Type
https://www.exploit-db.com/exploits/43935/ No Types Assigned
https://www.exploit-db.com/exploits/43935/ Exploit, Third Party Advisory, VDB Entry
CVE Modified by MITRE 2/01/2018 9:29:01 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.exploit-db.com/exploits/43935/ [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2017-18078 NVD
Published Date: 01/29/2018 NVD
Last Modified: 11/20/2024
Source: MITRE
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
