Vulnerability CVE-2013-2850
Published: 2013-06-07

Description:
Heap-based buffer overflow in the iscsi_add_notunderstood_response function in drivers/target/iscsi/iscsi_target_parameters.c in the iSCSI target subsystem in the Linux kernel through 3.9.4 allows remote attackers to cause a denial of service (memory corruption and OOPS) or possibly execute arbitrary code via a long key that is not properly handled during construction of an error-response packet.

See advisories in our WLB2 database:
Topic
Author
Date
High
Linux kernel iSCSI target heap overflow
Kees Cook
02.06.2013

Type:

CWE-119

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.9/10
10/10
5.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
https://github.com/torvalds/linux/commit/cea4dcfdad926a27a18e188720efe0f2c9403456
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cea4dcfdad926a27a18e188720efe0f2c9403456
https://bugzilla.redhat.com/show_bug.cgi?id=968036
http://www.openwall.com/lists/oss-security/2013/06/01/2
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