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CVE-2014-0178

Status Candidate

Overview

Samba 3.6.6 through 3.6.23, 4.0.x before 4.0.18, and 4.1.x before 4.1.8, when a certain vfs shadow copy configuration is enabled, does not properly initialize the SRV_SNAPSHOT_ARRAY response field, which allows remote authenticated users to obtain potentially sensitive information from process memory via a (1) FSCTL_GET_SHADOW_COPY_DATA or (2) FSCTL_SRV_ENUMERATE_SNAPSHOTS request.

Related Files

HP Security Bulletin HPSBUX03574 1
Posted May 11, 2016
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX03574 1 - Potential security vulnerabilities have been identified with HP-UX CIFS-Server (Samba). The vulnerabilities could be exploited remotely to cause access restriction bypass, authentication bypass, Denial of Service (DoS), unauthorized access to files, access restriction bypass, or unauthorized information disclosure. Revision 1 of this advisory.

tags | advisory, denial of service, vulnerability, info disclosure
systems | hpux
advisories | CVE-2013-0213, CVE-2013-0214, CVE-2013-4475, CVE-2013-4496, CVE-2014-0178, CVE-2014-0244, CVE-2014-3493, CVE-2015-5252, CVE-2015-5296, CVE-2015-5299
SHA-256 | 3425ca46ec9693308573785c2ac516d648f5b8e32172b2e8f2ba16ba7c8482b9
Mandriva Linux Security Advisory 2015-082
Posted Mar 30, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-082 - In Samba before 3.6.23, the SAMR server neglects to ensure that attempted password changes will update the bad password count, and does not set the lockout flags. This would allow a user unlimited attempts against the password by simply calling ChangePasswordUser2 repeatedly. This is available without any other authentication. Information leak vulnerability in the VFS code, allowing an authenticated user to retrieve eight bytes of uninitialized memory when shadow copy is enabled. Samba versions before 3.6.24, 4.0.19, and 4.1.9 are vulnerable to a denial of service on the nmbd NetBIOS name services daemon. A malformed packet can cause the nmbd server to loop the CPU and prevent any further NetBIOS ame service. Samba versions before 3.6.24, 4.0.19, and 4.1.9 are affected by a denial of service crash involving overwriting memory on an authenticated connection to the smbd file server. An uninitialized pointer use flaw was found in the Samba daemon (smbd). A malicious Samba client could send specially crafted netlogon packets that, when processed by smbd, could potentially lead to arbitrary code execution with the privileges of the user running smbd (by default, the root user).

tags | advisory, denial of service, arbitrary, root, code execution
systems | linux, mandriva
advisories | CVE-2013-4496, CVE-2014-0178, CVE-2014-0244, CVE-2014-3493, CVE-2015-0240
SHA-256 | a746da07e0936d2f90ff3113f5c91d8a56d359101e9fd3c4b400291184eac8c7
Gentoo Linux Security Advisory 201502-15
Posted Feb 26, 2015
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201502-15 - Multiple vulnerabilities have been found in Samba, the worst of which allowing a context-dependent attacker to bypass intended file restrictions, cause a Denial of Service or execute arbitrary code. Versions less than 3.6.25 are affected.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-6150, CVE-2013-4124, CVE-2013-4408, CVE-2013-4475, CVE-2013-4476, CVE-2013-4496, CVE-2014-0178, CVE-2014-0239, CVE-2014-0244, CVE-2014-3493, CVE-2015-0240
SHA-256 | 606c956ce8f163cd743c45062fd6201fce247d72cbe7bc650aed2d2440e1861b
Mandriva Linux Security Advisory 2014-136
Posted Jul 12, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-136 - Information leak vulnerability in the VFS code, allowing an authenticated user to retrieve eight bytes of uninitialized memory when shadow copy is enabled. Samba versions before 3.6.24, 4.0.19, and 4.1.9 are vulnerable to a denial of service on the nmbd NetBIOS name services daemon. A malformed packet can cause the nmbd server to loop the CPU and prevent any further NetBIOS name service. Samba versions before 3.6.24, 4.0.19, and 4.1.9 are affected by a denial of service crash involving overwriting memory on an authenticated connection to the smbd file server.

tags | advisory, denial of service
systems | linux, mandriva
advisories | CVE-2014-0178, CVE-2014-0244, CVE-2014-3493
SHA-256 | 8eef9aa7b5bed8242080833cd967256c4ecebf611c7e4b025a94c1c923aeaa25
Red Hat Security Advisory 2014-0867-01
Posted Jul 9, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0867-01 - Samba is an open-source implementation of the Server Message Block or Common Internet File System protocol, which allows PC-compatible machines to share files, printers, and other information. A denial of service flaw was found in the way the sys_recvfile() function of nmbd, the NetBIOS message block daemon, processed non-blocking sockets. An attacker could send a specially crafted packet that, when processed, would cause nmbd to enter an infinite loop and consume an excessive amount of CPU time. A flaw was found in the way Samba created responses for certain authenticated client requests when a shadow-copy VFS module was enabled. An attacker able to send an authenticated request could use this flaw to disclose limited portions of memory per each request.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2014-0178, CVE-2014-0244, CVE-2014-3493
SHA-256 | 3d54efa3e3b19528bd8400dc4e487a4b5ea6295dfac499607b5ca1fe7eaa5cf0
Ubuntu Security Notice USN-2257-1
Posted Jun 26, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2257-1 - Christof Schmitt discovered that Samba incorrectly initialized a certain response field when vfs shadow copy was enabled. A remote authenticated attacker could use this issue to possibly obtain sensitive information. This issue only affected Ubuntu 13.10 and Ubuntu 14.04 LTS. It was discovered that the Samba internal DNS server incorrectly handled QR fields when processing incoming DNS messages. A remote attacker could use this issue to cause Samba to consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2014-0178, CVE-2014-0239, CVE-2014-0244, CVE-2014-3493
SHA-256 | ee495aec8ec133e39c6bb8c1541534dba3717b1f8a19b4fd91f988c20373902f
Slackware Security Advisory - samba Updates
Posted Jun 25, 2014
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New samba packages are available for Slackware 14.0, 14.1, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2014-0178, CVE-2014-0239, CVE-2014-0244, CVE-2014-3493
SHA-256 | f86aa120b172105145f5b723718fabcd5166d7c4730b1069b104b7db69051aec
Debian Security Advisory 2966-1
Posted Jun 24, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2966-1 - Multiple vulnerabilities were discovered and fixed in Samba, a SMB/CIFS file, print, and login server.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2014-0178, CVE-2014-0244, CVE-2014-3493
SHA-256 | cadbb346ed967f6dc5615cdffc603a76e74ec852b15489b482e1e7fbdcfbf707
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