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Vulnerability · Published Jun 8, 2020 · Assigned by mitre

CVE-2020-12049

Medium 5.5

In plain English

A medium-severity security flaw in the dbus package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.6%top 52.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20dbus1.12.18-r0ALPINE-CVE-2020-12049
Alpine:v3.21dbus1.12.18-r0ALPINE-CVE-2020-12049
Alpine:v3.22dbus1.12.18-r0ALPINE-CVE-2020-12049
Alpine:v3.23dbus1.12.18-r0ALPINE-CVE-2020-12049
Alpine:v3.24dbus1.12.18-r0ALPINE-CVE-2020-12049
Debian:12dbus1.12.18-1DEBIAN-CVE-2020-12049
Debian:13dbus1.12.18-1DEBIAN-CVE-2020-12049
Debian:14dbus1.12.18-1DEBIAN-CVE-2020-12049

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References