DescriptionAn issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
quagga (PTS)buster1.2.4-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - quagga <no-dsa> (Minor issue)
[stretch] - quagga <postponed> (revisit when/if fixed upstream)
Debian installed systemd unit files install the problematic redhat/*.service
files with the unsafe chmod/chown calls in the Debian packaging.

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