Summary
Svyatoslav Phirsov discovered that the Samba libsmbclient library
incorrectly handled extra long filenames. A malicious server could use this
issue to cause Samba to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2018-10858)
Volker Mauel discovered that Samba incorrectly handled database output.
When used as an Active Directory Domain Controller, a remote authenticated
attacker could use this issue to cause Samba to crash, resulting in a
denial of service. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-10918)
Phillip Kuhrt discovered that the Samba LDAP server incorrectly handled
certain confidential attribute values. A remote authenticated attacker
could possibly use this issue to obtain certain sensitive information.
(CVE-2018-10919)
Vivek Das discovered that Samba incorrectly handled NTLMv1 being explicitly
disabled on the server. A remote user could possibly be authenticated using
NTLMv1, contrary to expectations. This issue only affected Ubuntu 18.04
LTS. (CVE-2018-1139)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | samba | 2:4.3.11+dfsg-0ubuntu0.14.04.16 |
| Ubuntu · 16.04 LTS 16.04:LTS | samba | 2:4.3.11+dfsg-0ubuntu0.16.04.15 |
| Ubuntu · 18.04 LTS 18.04:LTS | samba | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 |
Vulnerabilities 4
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Medium 5.4
A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1…
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Medium 5.2
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An aut…
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Medium 4.3
A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malic…
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Medium 4.3
The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access contr…