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cveMitreCVE-2013-3949
HistoryJun 05, 2013 - 2:39 p.m.

CVE-2013-3949

2013-06-0514:39:55
CWE-264
mitre
web.nvd.nist.gov
29
cve-2013-3949
xnu kernel
apple
mac os x 10.8.x
posix_spawn
access restrictions

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.9

Confidence

Low

EPSS

0

Percentile

5.1%

The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.

Affected configurations

Nvd
Node
applemac_os_xMatch10.8.0
OR
applemac_os_xMatch10.8.1
OR
applemac_os_xMatch10.8.2
OR
applemac_os_xMatch10.8.3
OR
applemac_os_xMatch10.8.4
VendorProductVersionCPE
applemac_os_x10.8.0cpe:2.3:o:apple:mac_os_x:10.8.0:*:*:*:*:*:*:*
applemac_os_x10.8.1cpe:2.3:o:apple:mac_os_x:10.8.1:*:*:*:*:*:*:*
applemac_os_x10.8.2cpe:2.3:o:apple:mac_os_x:10.8.2:*:*:*:*:*:*:*
applemac_os_x10.8.3cpe:2.3:o:apple:mac_os_x:10.8.3:*:*:*:*:*:*:*
applemac_os_x10.8.4cpe:2.3:o:apple:mac_os_x:10.8.4:*:*:*:*:*:*:*

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.9

Confidence

Low

EPSS

0

Percentile

5.1%

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