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.

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An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command a memory leak may occur.

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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".

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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.

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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.

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systemd: reexec state injection: fgets() on overlong lines leads to line splitting

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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.

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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.

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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).

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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-2017-1000082.

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systemd: chown_one() can dereference symlinks

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The vulnerability of the initialization and service management subsystems in Linux’s systemd, related to resource management errors, allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the initialization and service management subsystems in Linux’s systemd is related to resource management errors. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and even cause service failures using the shutdown...

CVE-2020-15708

Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code...

Fedora: Security Advisory for systemd (FEDORA-2020-2faf839786)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora 32 : systemd (2020-2faf839786)

Contains a bunch of patches for the assorted linked bugzillas. Handling of user names that resemble numerical uids is tightened CVE-2020-13776. The hardware database is updated to the upstream version. Note that Tenable Network Security has extracted the preceding description block directly from...

[SECURITY] Fedora 32 Update: systemd-245.7-1.fc32

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. It provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups,...

Security update for cacti, cacti-spine (moderate)

openSUSE Security Update: Security update for cacti, cacti-spine Announcement ID: openSUSE-SU-2020:1106-1 Rating: moderate References: 1115436 1154087 1173090 Cross-References: CVE-2020-11022 CVE-2020-11023 CVE-2020-13625 CVE-2020-14295 Affected Products: openSUSE Backports SLE-15-SP1 An update...

OPENSUSE-SU-2020:1106-1 Security update for cacti, cacti-spine

This update for cacti, cacti-spine fixes the following issues: - cacti 1.2.13: Query XSS vulnerabilities require vendor package update CVE-2020-11022 / CVE-2020-11023 Lack of escaping on some pages can lead to XSS exposure Update PHPMailer to 6.1.6 CVE-2020-13625 SQL Injection vulnerability due t...

openSUSE Security Update : cacti / cacti-spine (openSUSE-2020-1060)

This update for cacti, cacti-spine fixes the following issues : - cacti 1.2.13 : - Query XSS vulnerabilities require vendor package update CVE-2020-11022 / CVE-2020-11023 - Lack of escaping on some pages can lead to XSS exposure - Update PHPMailer to 6.1.6 CVE-2020-13625 - SQL Injection...

OPENSUSE-SU-2020:1060-1 Security update for cacti, cacti-spine

This update for cacti, cacti-spine fixes the following issues: - cacti 1.2.13: Query XSS vulnerabilities require vendor package update CVE-2020-11022 / CVE-2020-11023 Lack of escaping on some pages can lead to XSS exposure Update PHPMailer to 6.1.6 CVE-2020-13625 SQL Injection vulnerability due t...