CVE-2021-23192

Name
CVE-2021-23192
Description
A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Third Party Advisory https://ubuntu.com/security/CVE-2021-23192
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2019666
Patch https://www.samba.org/samba/security/CVE-2021-23192.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* samba >= 4.10.0 <= 4.15.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
samba 3.13-main 4.13.17-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
samba 3.12-main 4.12.15-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
samba 3.14-main 4.14.14-r0 Natanael Copa <ncopa@alpinelinux.org> fixed