CVE-2018-6954

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Summary

CVECVE-2018-6954
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-02-13 20:29:00 UTC
Updated2023-11-07 03:00:00 UTC
Descriptionsystemd-tmpfiles in systemd through 237 mishandles symlinks present in non-terminal path components, which allows local users to obtain ownership of arbitrary files via vectors involving creation of a directory and a file under that directory, and later replacing that directory with a symlink. This occurs even if the fs.protected_symlinks sysctl is turned on.

Risk And Classification

Problem Types: CWE-59

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Application Freedesktop Systemd All All All All
Operating System Opensuse Leap 42.3 All All All
Application Systemd Project Systemd All All All All

References

ReferenceSourceLinkTags
[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 lists.apache.org
Pony Mail! MLIST lists.apache.org
USN-3816-1: systemd vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com Third Party Advisory
USN-3816-2: systemd vulnerability | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
[security-announce] openSUSE-SU-2019:1450-1: important: Security update SUSE lists.opensuse.org
Pony Mail! MLIST lists.apache.org
[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 lists.apache.org
tmpfiles: symlinks are followed in non-terminal path components (CVE-2018-6954) · Issue #7986 · systemd/systemd · GitHub MISC github.com Exploit, Patch, Third Party Advisory
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