#VU91217 Buffer overflow in Linux kernel - CVE-2009-1439
Vulnerability identifier: #VU91217
Vulnerability risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the CIFSTCon() function in fs/cifs/connect.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
https://blog.fefe.de/?ts=b72905a8
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b363b3304bcf68c4541683b2eff70b29f0446a5b
https://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
https://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
https://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
https://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
https://lists.samba.org/archive/linux-cifs-client/2009-April/004322.html
https://secunia.com/advisories/34981
https://secunia.com/advisories/35011
https://secunia.com/advisories/35120
https://secunia.com/advisories/35121
https://secunia.com/advisories/35185
https://secunia.com/advisories/35217
https://secunia.com/advisories/35226
https://secunia.com/advisories/35343
https://secunia.com/advisories/35387
https://secunia.com/advisories/35390
https://secunia.com/advisories/35394
https://secunia.com/advisories/35656
https://secunia.com/advisories/37471
https://wiki.rpath.com/Advisories:rPSA-2009-0084
https://www.debian.org/security/2009/dsa-1787
https://www.debian.org/security/2009/dsa-1794
https://www.debian.org/security/2009/dsa-1800
https://www.openwall.com/lists/oss-security/2009/04/04/1
https://www.openwall.com/lists/oss-security/2009/04/07/3
https://www.openwall.com/lists/oss-security/2009/04/07/7
https://www.redhat.com/support/errata/RHSA-2009-1081.html
https://www.securityfocus.com/archive/1/503610/100/0/threaded
https://www.securityfocus.com/archive/1/507985/100/0/threaded
https://www.securityfocus.com/bid/34453
https://www.ubuntu.com/usn/usn-793-1
https://www.vmware.com/security/advisories/VMSA-2009-0016.html
https://www.vupen.com/english/advisories/2009/3316
https://xorl.wordpress.com/2009/04/07/linux-kernel-tree-connect-cifs-remote-buffer-overflow/
https://bugzilla.novell.com/show_bug.cgi?id=492282
https://bugzilla.redhat.com/show_bug.cgi?id=494275
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10321
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8265
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01271.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
