Vulnerability CVE-2009-1633
Published: 2009-05-28   Modified: 2012-02-13

Description:
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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.1/10
6.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Kernel 
Linux -> Linux kernel 
Kernel -> Linux 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git;a=commit;h=7b0c8fcff47a885743125dd843db64af41af5a61
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git;a=commit;h=968460ebd8006d55661dec0fb86712b40d71c413
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=27b87fe52baba0a55e9723030e76fce94fabcea4
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
http://marc.info/?l=oss-security&m=124099284225229&w=2
http://marc.info/?l=oss-security&m=124099371726547&w=2
http://wiki.rpath.com/Advisories:rPSA-2009-0111
http://www.debian.org/security/2009/dsa-1809
http://www.debian.org/security/2009/dsa-1844
http://www.debian.org/security/2009/dsa-1865
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.4
http://www.mandriva.com/security/advisories?name=MDVSA-2009:148
http://www.openwall.com/lists/oss-security/2009/05/14/1
http://www.openwall.com/lists/oss-security/2009/05/14/4
http://www.openwall.com/lists/oss-security/2009/05/15/2
http://www.redhat.com/support/errata/RHSA-2009-1157.html
http://www.securityfocus.com/archive/1/505254/100/0/threaded
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.securityfocus.com/bid/34612
http://www.ubuntu.com/usn/usn-793-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/3316
https://bugzilla.redhat.com/show_bug.cgi?id=496572
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8588
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9525
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01271.html
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