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[email protected]NVD:CVE-2011-2503

HistoryJul 26, 2012 - 7:55 p.m.

CVE-2011-2503

2012-07-2619:55:00

CWE-20

[email protected]

web.nvd.nist.gov

4

CVSS2

3.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

6.2

Confidence

Low

EPSS

0

Percentile

5.1%

The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.

Affected configurations

Nvd

Node

systemtapsystemtapRange≤1.5

OR

systemtapsystemtapMatch0.2.2

OR

systemtapsystemtapMatch0.3

OR

systemtapsystemtapMatch0.4

OR

systemtapsystemtapMatch0.5

OR

systemtapsystemtapMatch0.5.3

OR

systemtapsystemtapMatch0.5.4

OR

systemtapsystemtapMatch0.5.5

OR

systemtapsystemtapMatch0.5.7

OR

systemtapsystemtapMatch0.5.8

OR

systemtapsystemtapMatch0.5.9

OR

systemtapsystemtapMatch0.5.10

OR

systemtapsystemtapMatch0.5.12

OR

systemtapsystemtapMatch0.5.13

OR

systemtapsystemtapMatch0.5.14

OR

systemtapsystemtapMatch0.6

OR

systemtapsystemtapMatch0.6.2

OR

systemtapsystemtapMatch0.7

OR

systemtapsystemtapMatch0.7.2

OR

systemtapsystemtapMatch0.8

OR

systemtapsystemtapMatch0.9

OR

systemtapsystemtapMatch0.9.5

OR

systemtapsystemtapMatch0.9.7

OR

systemtapsystemtapMatch0.9.8

OR

systemtapsystemtapMatch0.9.9

OR

systemtapsystemtapMatch1.0

OR

systemtapsystemtapMatch1.1

OR

systemtapsystemtapMatch1.2

OR

systemtapsystemtapMatch1.3

OR

systemtapsystemtapMatch1.4

References

secunia.com/advisories/45377

secunia.com/advisories/46920

sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8

sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3

www.debian.org/security/2011/dsa-2348

bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503

CVSS2

3.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

6.2

Confidence

Low

EPSS

0

Percentile

5.1%

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