Gentoo: GLSA-202007-46: D-Bus: Denial of service
Summary
D-Bus does not correctly dispose of old connections meaning that it is possible for D-Bus to hit a connection limit.
Resolution
All D-Bus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.12.18"
References
[ 1 ] CVE-2020-12049 https://nvd.nist.gov/vuln/detail/CVE-2020-12049
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202007-46
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Background
D-Bus is a message bus system which processes can use to talk to each other.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/dbus < 1.12.18 >= 1.12.18
Impact
===== An attacker could cause a possible Denial of Service condition.
Workaround
There is no known workaround at this time.