Vulnerability Monitor

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CVE-2013-4247

Off-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service (memory corruption and system crash) via a DFS share mount operation that triggers use of an unexpected DFS referral name length.

Published

2013-08-25T03:27:32.960

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.9.6	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b ([email protected])
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2013/08/14/10 Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=998401 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b Exploit, Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/08/14/10 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=998401 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)