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Vulnerability Details : CVE-2009-1633

Multiple buffer overflows in the cifs subsystem in the Linux kernel before 2.6.29.4 allow remote CIFS servers to cause a denial of service (memory corruption) and possibly have unspecified other impact via (1) a malformed Unicode string, related to Unicode string area alignment in fs/cifs/sess.c; or (2) long Unicode characters, related to fs/cifs/cifssmb.c and the cifs_readdir function in fs/cifs/readdir.c.
Publish Date : 2009-05-28 Last Update Date : 2018-11-08
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- CVSS Scores & Vulnerability Types

CVSS Score
7.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 119

- Vendor Statements

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, and 3. It was addressed in Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-1211.html , https://rhn.redhat.com/errata/RHSA-2009-1106.html , and https://rhn.redhat.com/errata/RHSA-2009-1157.html .
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important
7.1
AV:N/AC:M/Au:N/C:N/I:N/A:C 2009-04-20 2009-04-14
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2009-1633 oval:org.opensuse.security:def:20091633 unix
DSA-1809 linux-2.6 -- denial of service, privilege escalation oval:org.mitre.oval:def:8079 unix
DSA-1809-1 linux-2.6 -- denial of service, privilege escalation oval:org.mitre.oval:def:13265 unix
DSA-1844 linux-2.6.24 -- denial of service/privilege escalation oval:org.mitre.oval:def:8024 unix
DSA-1844-1 linux-2.6.24 -- denial of service/privilege escalation oval:org.mitre.oval:def:13582 unix
DSA-1865 linux-2.6 -- denial of service/privilege escalation oval:org.mitre.oval:def:7993 unix
DSA-1865-1 linux-2.6 -- denial of service/privilege escalation oval:org.mitre.oval:def:13654 unix
ELSA-2009:1106: kernel security and bug fix update (Important) oval:org.mitre.oval:def:22334 unix
Multiple buffer overflows in the cifs subsystem in the Linux kernel before 2.6.29.4 allow remote CIFS servers to cause a... oval:org.mitre.oval:def:9525 unix
RHSA-2009:1106 -- kernel security and bug fix update (Important) oval:org.mitre.oval:def:28617 unix
RHSA-2009:1106: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20091106 unix
RHSA-2009:1211: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20091211 unix
USN-793-1 -- linux, linux-source-2.6.15 vulnerabilities oval:org.mitre.oval:def:13579 unix
VMware kernel cifs buffer overflow vulnerability oval:org.mitre.oval:def:8588 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-1633

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 6.06 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 8.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 8.10 Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 9.04 Version Details Vulnerabilities
5 OS Debian Debian Linux 4.0 Version Details Vulnerabilities
6 OS Debian Debian Linux 5.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2

- References For CVE-2009-1633

https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01271.html
FEDORA FEDORA-2009-5383
http://www.vupen.com/english/advisories/2009/3316
VUPEN ADV-2009-3316
https://bugzilla.redhat.com/show_bug.cgi?id=496572 CONFIRM
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html
FEDORA FEDORA-2009-5356
http://www.ubuntu.com/usn/usn-793-1
UBUNTU USN-793-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html CONFIRM
http://www.securityfocus.com/archive/1/505254/100/0/threaded
BUGTRAQ 20090724 rPSA-2009-0111-1 kernel
http://www.securityfocus.com/archive/1/507985/100/0/threaded
BUGTRAQ 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
http://www.securityfocus.com/bid/34612
BID 34612 Linux Kernel CIFS 'decode_unicode_ssetup()' Remote Buffer Overflow Vulnerability Release Date:2010-02-15
http://www.redhat.com/support/errata/RHSA-2009-1157.html
REDHAT RHSA-2009:1157
http://www.openwall.com/lists/oss-security/2009/05/15/2
MLIST [oss-security] 20090515 Re: Re: Update - Re: CVE request? buffer overflow in CIFS in 2.6.*
http://www.mandriva.com/security/advisories?name=MDVSA-2009:148
MANDRIVA MDVSA-2009:148
http://www.openwall.com/lists/oss-security/2009/05/14/1
MLIST [oss-security] 20090514 Update - Re: CVE request? buffer overflow in CIFS in 2.6.*
http://www.openwall.com/lists/oss-security/2009/05/14/4
MLIST [oss-security] 20090514 Re: Update - Re: CVE request? buffer overflow in CIFS in 2.6.*
http://www.debian.org/security/2009/dsa-1844
DEBIAN DSA-1844
http://www.debian.org/security/2009/dsa-1865
DEBIAN DSA-1865
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.4 CONFIRM
http://wiki.rpath.com/Advisories:rPSA-2009-0111 CONFIRM
http://www.debian.org/security/2009/dsa-1809
DEBIAN DSA-1809
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
SUSE SUSE-SA:2009:056
http://marc.info/?l=oss-security&m=124099371726547&w=2
MLIST [oss-security] 20090429 Re: CVE request? buffer overflow in CIFS in 2.6.*
http://marc.info/?l=oss-security&m=124099284225229&w=2
MLIST [oss-security] 20090429 Re: CVE request? buffer overflow in CIFS in 2.6.*
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
SUSE SUSE-SA:2010:012
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
SUSE SUSE-SA:2009:054
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git;a=commit;h=7b0c8fcff47a885743125dd843db64af41af5a61 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git;a=commit;h=968460ebd8006d55661dec0fb86712b40d71c413 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=27b87fe52baba0a55e9723030e76fce94fabcea4 CONFIRM

- Metasploit Modules Related To CVE-2009-1633

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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