National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-4913)

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Last updated: Thu May 23 06:22:11 EDT 2013

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Vulnerability Summary for CVE-2011-4913

Original release date:06/21/2012

Last revised:06/22/2012

Source: US-CERT/NIST

Overview

The rose_parse_ccitt function in net/rose/rose_subr.c in the Linux kernel before 2.6.39 does not validate the FAC_CCITT_DEST_NSAP and FAC_CCITT_SRC_NSAP fields, which allows remote attackers to (1) cause a denial of service (integer underflow, heap memory corruption, and panic) via a small length value in data sent to a ROSE socket, or (2) conduct stack-based buffer overflow attacks via a large length value in data sent to a ROSE socket.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/be20250c13f88375345ad99950190685eda51eb8

Type: Patch Information; Exploit

Hyperlink:https://github.com/torvalds/linux/commit/be20250c13f88375345ad99950190685eda51eb8

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=be20250c13f88375345ad99950190685eda51eb8

Type: Patch Information

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=be20250c13f88375345ad99950190685eda51eb8

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=770777

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=770777

External Source: MLIST