CVE-2020-15112

NameCVE-2020-15112
DescriptionIn etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs968740

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
etcd (PTS)buster3.2.26+dfsg-3vulnerable
bullseye, sid3.2.26+dfsg-8vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
etcdsource(unstable)(unfixed)968740

Notes

https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93

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