CVE-2009-1633

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.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.84% Top 20%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2009/dsa-1865 third party advisory vendor advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0111 broken link
http://secunia.com/advisories/35226 third party advisory
http://www.openwall.com/lists/oss-security/2009/05/14/1 patch mailing list third party advisory
http://secunia.com/advisories/37471 third party advisory
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html patch vendor advisory third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8588 signature third party advisory vdb entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=27b87fe52baba0a55e9723030e76fce94fabcea4
http://www.mandriva.com/security/advisories?name=MDVSA-2009:148 third party advisory vendor advisory
http://secunia.com/advisories/35656 third party advisory
http://www.debian.org/security/2009/dsa-1844 third party advisory vendor advisory
http://www.vmware.com/security/advisories/VMSA-2009-0016.html third party advisory
http://www.openwall.com/lists/oss-security/2009/05/15/2 patch mailing list third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9525 signature third party advisory vdb entry
http://secunia.com/advisories/37351 third party advisory
http://marc.info/?l=oss-security&m=124099284225229&w=2 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html vendor advisory mailing list third party advisory
http://www.redhat.com/support/errata/RHSA-2009-1157.html third party advisory vendor advisory
http://www.securityfocus.com/bid/34612 third party advisory vdb entry
http://www.securityfocus.com/archive/1/505254/100/0/threaded mailing list third party advisory vdb entry
http://www.securityfocus.com/archive/1/507985/100/0/threaded mailing list third party advisory vdb entry
http://secunia.com/advisories/36051 third party advisory
http://secunia.com/advisories/35298 third party advisory
http://secunia.com/advisories/36327 third party advisory
http://www.ubuntu.com/usn/usn-793-1 third party advisory vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01271.html third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.4 vendor advisory
http://marc.info/?l=oss-security&m=124099371726547&w=2 third party advisory mailing list
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git%3Ba=commit%3Bh=7b0c8fcff47a885743125dd843db64af41af5a61
http://secunia.com/advisories/35217 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=496572 patch third party advisory issue tracking
http://git.kernel.org/?p=linux/kernel/git/sfrench/cifs-2.6.git%3Ba=commit%3Bh=968460ebd8006d55661dec0fb86712b40d71c413
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html vendor advisory mailing list third party advisory
http://www.vupen.com/english/advisories/2009/3316 third party advisory vdb entry
http://www.debian.org/security/2009/dsa-1809 third party advisory vendor advisory
http://secunia.com/advisories/35847 third party advisory
http://www.openwall.com/lists/oss-security/2009/05/14/4 patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2009-1633?
CVE-2009-1633 has been scored as a high severity vulnerability.
How to fix CVE-2009-1633?
To fix CVE-2009-1633, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1633 being actively exploited in the wild?
It is possible that CVE-2009-1633 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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