Vulnerabilities (CVE)

Filtered by vendor Systemd Project Subscribe
Filtered by product Systemd
Total 55 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-1712 3 Debian, Redhat, Systemd Project 7 Debian Linux, Ceph Storage, Discovery and 4 more 2024-11-21 4.6 MEDIUM 7.8 HIGH
A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
CVE-2020-13529 3 Fedoraproject, Netapp, Systemd Project 4 Fedora, Active Iq Unified Manager, Cloud Backup and 1 more 2024-11-21 2.9 LOW 6.1 MEDIUM
An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
CVE-2019-6454 8 Canonical, Debian, Fedoraproject and 5 more 22 Ubuntu Linux, Debian Linux, Fedora and 19 more 2024-11-21 4.9 MEDIUM 5.5 MEDIUM
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).
CVE-2019-3844 3 Canonical, Netapp, Systemd Project 7 Ubuntu Linux, Cn1610, Cn1610 Firmware and 4 more 2024-11-21 4.6 MEDIUM 7.8 HIGH
It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.
CVE-2019-3843 4 Canonical, Fedoraproject, Netapp and 1 more 8 Ubuntu Linux, Fedora, Cn1610 and 5 more 2024-11-21 4.6 MEDIUM 7.8 HIGH
It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.
CVE-2019-3842 4 Debian, Fedoraproject, Redhat and 1 more 4 Debian Linux, Fedora, Enterprise Linux and 1 more 2024-11-21 4.4 MEDIUM 7.0 HIGH
In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using the "allow_active" element rather than "allow_any".
CVE-2019-15718 3 Fedoraproject, Redhat, Systemd Project 14 Fedora, Enterprise Linux, Enterprise Linux Eus and 11 more 2024-11-21 3.6 LOW 4.4 MEDIUM
In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.
CVE-2018-21029 2 Fedoraproject, Systemd Project 2 Fedora, Systemd 2024-11-21 7.5 HIGH 9.8 CRITICAL
systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)
CVE-2018-1049 4 Canonical, Debian, Redhat and 1 more 11 Ubuntu Linux, Debian Linux, Enterprise Linux and 8 more 2024-11-21 4.3 MEDIUM 5.9 MEDIUM
In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from kernel may not be serviced by systemd resulting in kernel holding the mountpoint and any processes that try to use said mount will hang. A race condition like this may lead to denial of service, until mount points are unmounted.
CVE-2018-16888 4 Canonical, Netapp, Redhat and 1 more 5 Ubuntu Linux, Active Iq Performance Analytics Services, Element Software and 2 more 2024-11-21 1.9 LOW 4.7 MEDIUM
It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.
CVE-2018-16866 5 Canonical, Debian, Netapp and 2 more 21 Ubuntu Linux, Debian Linux, Active Iq Performance Analytics Services and 18 more 2024-11-21 2.1 LOW 3.3 LOW
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
CVE-2018-16865 5 Canonical, Debian, Oracle and 2 more 11 Ubuntu Linux, Debian Linux, Communications Session Border Controller and 8 more 2024-11-21 4.6 MEDIUM 7.8 HIGH
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.
CVE-2018-16864 5 Canonical, Debian, Oracle and 2 more 11 Ubuntu Linux, Debian Linux, Communications Session Border Controller and 8 more 2024-11-21 4.6 MEDIUM 7.8 HIGH
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.
CVE-2017-18078 3 Debian, Opensuse, Systemd Project 3 Debian Linux, Leap, Systemd 2024-11-21 4.6 MEDIUM 7.8 HIGH
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.
CVE-2012-1101 1 Systemd Project 1 Systemd 2024-11-21 2.1 LOW 5.5 MEDIUM
systemd 37-1 does not properly handle non-existent services, which causes a denial of service (failure of login procedure).