Debian Bug report logs -
#987308
cifs-utils: CVE-2021-20208: cifs.upcall kerberos auth leak in container
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Bug#987308
; Package src:cifs-utils
.
(Wed, 21 Apr 2021 11:33:04 GMT) (full text, mbox, link).
Acknowledgement sent
to Salvatore Bonaccorso <carnil@debian.org>
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New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Debian Samba Maintainers <pkg-samba-maint@lists.alioth.debian.org>
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(Wed, 21 Apr 2021 11:33:04 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.debian.org (full text, mbox, reply):
Source: cifs-utils
Version: 2:6.11-2
Severity: important
Tags: security upstream
Forwarded: https://bugzilla.samba.org/show_bug.cgi?id=14651
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Hi,
The following vulnerability was published for cifs-utils.
CVE-2021-20208[0]:
| A flaw was found in cifs-utils in versions before 6.13. A user when
| mounting a krb5 CIFS file system from within a container can use
| Kerberos credentials of the host. The highest threat from this
| vulnerability is to data confidentiality and integrity.
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-2021-20208
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20208
[1] https://bugzilla.samba.org/show_bug.cgi?id=14651
[2] https://lists.samba.org/archive/samba-technical/2021-April/136467.html
[3] https://git.samba.org/cifs-utils.git/?p=cifs-utils.git;a=commit;h=e461afd8cfa6d0781ae0c5c10e89b6ef1ca6da32
Regards,
Salvatore
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