[Pkg-samba-maint] Bug#960188: samba: CVE-2020-10704

[Salvatore Bonaccorso]

Source: samba
Version: 2:4.11.5+dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://bugzilla.samba.org/show_bug.cgi?id=14334
Control: found -1 2:4.9.5+dfsg-5+deb10u1
Control: found -1 2:4.9.5+dfsg-5
Control: found -1 2:4.5.16+dfsg-1+deb9u2
Control: found -1 2:4.5.16+dfsg-1

Hi,

The following vulnerability was published for samba.

CVE-2020-10704[0]:
| A flaw was found when using samba as an Active Directory Domain
| Controller. Due to the way samba handles certain requests as an Active
| Directory Domain Controller LDAP server, an unauthorized user can
| cause a stack overflow leading to a denial of service. The highest
| threat from this vulnerability is to system availability. This issue
| affects all samba versions before 4.10.15, before 4.11.8 and before
| 4.12.2.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-10704
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10704
[1] https://bugzilla.samba.org/show_bug.cgi?id=14334
[2] https://www.samba.org/samba/security/CVE-2020-10704.html

Regards,
Salvatore