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CVE-2021-3671

CVE-2021-3671

EPSS 2.0%CWE-476
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 2.0%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
12 Oct 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Affected products
n/a · Samba

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References
https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2Chttps://bugzilla.samba.org/show_bug.cgi?id=14770%2Chttps://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83ahttps://lists.debian.org/debian-lts-announce/2022/11/msg00034.htmlhttps://security.netapp.com/advisory/ntap-20221215-0002/https://security.netapp.com/advisory/ntap-20230216-0008/https://www.debian.org/security/2022/dsa-5287