Summary
Steven French discovered that Samba incorrectly handled ChangeNotify
permissions. A remote attacker could possibly use this issue to obtain file
name information. (CVE-2020-14318)
Bas Alberts discovered that Samba incorrectly handled certain winbind
requests. A remote attacker could possibly use this issue to cause winbind
to crash, resulting in a denial of service. (CVE-2020-14323)
Francis Brosnan Blázquez discovered that Samba incorrectly handled certain
invalid DNS records. A remote attacker could possibly use this issue to
cause the DNS server to crash, resulting in a denial of service.
(CVE-2020-14383)
Peter Eriksson discovered that Samba incorrectly handled certain negative
idmap cache entries. This issue could result in certain users gaining
unauthorized access to files, contrary to expected behaviour.
(CVE-2021-20254)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | samba | 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11 |
Vulnerabilities 4
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Medium 5.5
A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and befo…
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Medium 4.3
A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to …
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Unscored —
A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC …
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Unscored —
A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gid…