CentOS Update for samba CESA-2011:1219 centos4 x86_64

Published: 2012-07-30 12:09:58
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'samba' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
samba on CentOS 4

Recommendations:
Please install the updated Linux Distribution Packages.

Technical Details:
Samba is a suite of programs used by machines to share files, printers, and other information. A cross-site scripting (XSS) flaw was found in the password change page of the Samba Web Administration Tool (SWAT). If a remote attacker could trick a user, who was logged into the SWAT interface, into visiting a specially-crafted URL, it would lead to arbitrary web script execution in the context of the user's SWAT session. (CVE-2011-2694) It was found that SWAT web pages did not protect against Cross-Site Request Forgery (CSRF) attacks. If a remote attacker could trick a user, who was logged into the SWAT interface, into visiting a specially-crafted URL, the attacker could perform Samba configuration changes with the privileges of the logged in user. (CVE-2011-2522) A race condition flaw was found in the way the mount.cifs tool mounted CIFS (Common Internet File System) shares. If mount.cifs had the setuid bit set, a local attacker could conduct a symbolic link attack to trick mount.cifs into mounting a share over an arbitrary directory they were otherwise not allowed to mount to, possibly allowing them to escalate their privileges. (CVE-2010-0787) It was found that the mount.cifs tool did not properly handle share or directory names containing a newline character. If mount.cifs had the setuid bit set, a local attacker could corrupt the mtab (mounted file systems table) file via a specially-crafted CIFS share mount request. (CVE-2010-0547) It was found that the mount.cifs tool did not handle certain errors correctly when updating the mtab file. If mount.cifs had the setuid bit set, a local attacker could corrupt the mtab file by setting a small file size limit before running mount.cifs. (CVE-2011-1678) Note: mount.cifs from the samba Linux Distribution Packages distributed by Red Hat does not have the setuid bit set. We recommend that administrators do not manually set the setuid bit for mount.cifs. Red Hat would like to thank the Samba project for reporting CVE-2011-2694 and CVE-2011-2522, the Debian Security Team for reporting CVE-2010-0787, and Dan Rosenberg for reporting CVE-2011-1678. Upstream acknowledges Nobuhiro Tsuji of NTT DATA Security Corporation as the original reporter of CVE-2011-2694, Yoshihiro Ishikawa of LAC Co., Ltd. as the original reporter of CVE-2011-2522, and the Debian Security Team acknowledges Ronald Volgers as the original reporter of CVE-2010-0787. Users of Samba are advised to upgrade to these updated Linux Distribution Packages, which contain backported patches to resolve these issues. After installing this update, the smb service will be restarted automatically.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2010-0547
https://nvd.nist.gov/vuln/detail/CVE-2010-0787
https://nvd.nist.gov/vuln/detail/CVE-2011-1678
https://nvd.nist.gov/vuln/detail/CVE-2011-2522
https://nvd.nist.gov/vuln/detail/CVE-2011-2694

References:

http://lists.centos.org/pipermail/centos-announce/2011-August/017709.html

Severity
Medium
CVSS Score
6.8
Published
2012-07-30
Modified
2019-03-15
Category
CentOS Local Security Checks

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