Gentoo: GLSA-202210-20: Nicotine+: Denial of Service
Summary
Nicotine+ does not sufficiently validate file path in download requests.
Resolution
All Nicotine+ users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-p2p/nicotine+-3.2.1"
References
[ 1 ] CVE-2021-45848 https://nvd.nist.gov/vuln/detail/CVE-2021-45848
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202210-20
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
Nicotine+ is a fork of nicotine, a Soulseek client in Python.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-p2p/nicotine+ < 3.2.1 >= 3.2.1
Impact
===== A file path in a download request which contains a null character will cause a crash of Nicotine+.
Workaround
There is no known workaround at this time.