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systemd project systemd 4 vulnerabilities and exploits
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9.8
CVSSv3
CVE-2017-1000082
systemd v233 and previous versions fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privileges rather than the user intended.
Systemd Project Systemd
2 Github repositories
7.8
CVSSv3
CVE-2023-26604
systemd prior to 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible sudoers files in which the "systemctl status" command may be executed. Specifically, systemd does not set LESSSECURE to 1, and thus other programs may...
Systemd Project Systemd
6 Github repositories
7.8
CVSSv3
CVE-2020-1712
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 thei...
Systemd Project Systemd
Redhat Enterprise Linux 8.0
Redhat Openshift Container Platform 4.0
Redhat Discovery -
Redhat Migration Toolkit 1.0
Redhat Ceph Storage 4.0
Debian Debian Linux 9.0
1 Github repository
1 Article
7
CVSSv3
CVE-2017-2624
It was found that xorg-x11-server prior to 1.19.0 including uses memcmp() to check the received MIT cookie against a series of valid cookies. If the cookie is correct, it is allowed to attach to the Xorg session. Since most memcmp() implementations return after an invalid byte is...
X.org Xorg-server
Debian Debian Linux 7.0
1 Github repository
6.7
CVSSv3
CVE-2020-13776
systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-...
Systemd Project Systemd
Netapp Solidfire \\& Hci Management Node -
Netapp Active Iq Unified Manager -
Fedoraproject Fedora 32
6.1
CVSSv3
CVE-2020-13529
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 reconfigu...
Systemd Project Systemd 245
Fedoraproject Fedora 33
Netapp Cloud Backup -
Netapp Active Iq Unified Manager -
5.5
CVSSv3
CVE-2022-45873
systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it...
Systemd Project Systemd
Systemd Project Systemd 252
Fedoraproject Fedora 36
5.5
CVSSv3
CVE-2022-3821
An off-by-one Error issue exists in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
Systemd Project Systemd
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux 9.0
Fedoraproject Fedora 35
5.5
CVSSv3
CVE-2021-3997
A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.
Systemd Project Systemd
Fedoraproject Fedora 34
Fedoraproject Fedora 35
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux 9.0
5.5
CVSSv3
CVE-2021-33910
basic/unit-name.c in systemd before 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
Systemd Project Systemd
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Debian Debian Linux 10.0
Netapp Solidfire -
Netapp Hci Management Node -
1 Github repository
CVSSv3
CVSSv2
CVSSv3
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