In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is executed, if ForwardToWall=yes is set.
7.4Alta
CVE-2018-16864
Descripción
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.
Debilidad (CWE):
CWE-770
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| The systemd Project | systemd | through v240 |
Referencias y parches
- 106523 vdb-entry
- RHSA-2019:0342 vendor-advisory
- [debian-lts-announce] 20190123 [SECURITY] [DLA 1639-1] systemd security update mailing-list
- DSA-4367 vendor-advisory
- RHSA-2019:0204 vendor-advisory
- https://security.netapp.com/advisory/ntap-20190117-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16864
- https://www.qualys.com/2019/01/09/system-down/system-down.txt
- USN-3855-1 vendor-advisory
- RHSA-2019:0049 vendor-advisory
- RHSA-2019:0271 vendor-advisory
- RHSA-2019:0361 vendor-advisory
- GLSA-201903-07 vendor-advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- RHBA-2019:0327 vendor-advisory
- RHSA-2019:2402 vendor-advisory
- [oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1) mailing-list