CVE-2020-8227

NameCVE-2020-8227
DescriptionMissing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
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 severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nextcloud-desktop (PTS)buster2.5.1-3+deb10u1vulnerable
bullseye, sid3.0.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nextcloud-desktopsource(unstable)3.0.1-1

Notes

[buster] - nextcloud-desktop <no-dsa> (Minor issue)
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
https://hackerone.com/reports/685552

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