CVE-2011-2503

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.

CVSS v2.0 3.7 LOW

3.7^/10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 1.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://secunia.com/advisories/45377	Vendor Advisory
http://secunia.com/advisories/46920	Vendor Advisory
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3
http://www.debian.org/security/2011/dsa-2348
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
http://secunia.com/advisories/45377	Vendor Advisory
http://secunia.com/advisories/46920	Vendor Advisory
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3
http://www.debian.org/security/2011/dsa-2348
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:systemtap:systemtap::::::::
	cpe:2.3:a:systemtap:systemtap:0.2.2:::::::*
	cpe:2.3:a:systemtap:systemtap:0.3:::::::*
	cpe:2.3:a:systemtap:systemtap:0.4:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.3:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.4:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.5:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.7:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.8:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.9:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.10:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.12:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.13:::::::*
	cpe:2.3:a:systemtap:systemtap:0.5.14:::::::*
	cpe:2.3:a:systemtap:systemtap:0.6:::::::*
	cpe:2.3:a:systemtap:systemtap:0.6.2:::::::*
	cpe:2.3:a:systemtap:systemtap:0.7:::::::*
	cpe:2.3:a:systemtap:systemtap:0.7.2:::::::*
	cpe:2.3:a:systemtap:systemtap:0.8:::::::*
	cpe:2.3:a:systemtap:systemtap:0.9:::::::*
	cpe:2.3:a:systemtap:systemtap:0.9.5:::::::*
	cpe:2.3:a:systemtap:systemtap:0.9.7:::::::*
	cpe:2.3:a:systemtap:systemtap:0.9.8:::::::*
	cpe:2.3:a:systemtap:systemtap:0.9.9:::::::*
	cpe:2.3:a:systemtap:systemtap:1.0:::::::*
	cpe:2.3:a:systemtap:systemtap:1.1:::::::*
	cpe:2.3:a:systemtap:systemtap:1.2:::::::*
	cpe:2.3:a:systemtap:systemtap:1.3:::::::*
	cpe:2.3:a:systemtap:systemtap:1.4:::::::*

History

21 Nov 2024, 01:28

Type	Values Removed	Values Added
References	~~() http://secunia.com/advisories/45377 - Vendor Advisory~~	() http://secunia.com/advisories/45377 - Vendor Advisory
References	~~() http://secunia.com/advisories/46920 - Vendor Advisory~~	() http://secunia.com/advisories/46920 - Vendor Advisory
References	~~() http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8 -~~	() http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8 -
References	~~() http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3 -~~	() http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3 -
References	~~() http://www.debian.org/security/2011/dsa-2348 -~~	() http://www.debian.org/security/2011/dsa-2348 -
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503 -

07 Nov 2023, 02:07

Type	Values Removed	Values Added
References	{'url': 'http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=blob;f=NEWS;hb=304d73b1fea24af791f2a129fb141c5009eae6a8', 'name': 'http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=blob;f=NEWS;hb=304d73b1fea24af791f2a129fb141c5009eae6a8', 'tags': [], 'refsource': 'CONFIRM'} {'url': 'http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commitdiff;h=ed51cfa24ca27746ab09b59280b94117dd58cba3', 'name': 'http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commitdiff;h=ed51cfa24ca27746ab09b59280b94117dd58cba3', 'tags': ['Exploit', 'Patch'], 'refsource': 'CONFIRM'}	() http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3 - () http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8 -

Information

Published : 2012-07-26 19:55

Updated : 2025-04-11 00:51

NVD link : CVE-2011-2503

Mitre link : CVE-2011-2503

CVE.ORG link : CVE-2011-2503

JSON object : View

Products Affected

systemtap

systemtap

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2011-2503", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.7, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "HIGH", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-07-26T19:55:00.793", "references": [{"url": "http://secunia.com/advisories/45377", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/46920", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8", "source": "secalert@redhat.com"}, {"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2011/dsa-2348", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/45377", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/46920", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2011/dsa-2348", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n insert_module en tiempo de ejecuci\u00f3n/staprun/staprun_funcs.c en la herramienta de tiempo de ejecuci\u00f3n systemtap (staprun) en SystemTap antes de v1.6 no valida correctamente un m\u00f3dulo cuando se carga, lo que permite a usuarios locales conseguir privilegios a trav\u00e9s de una condici\u00f3n de carrera entre la validaci\u00f3n de la firma y el m\u00f3dulo de inicializaci\u00f3n.\r\n"}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "44665B6E-F588-42BD-9901-268D4DD93BAF", "versionEndIncluding": "1.5"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04AE85B6-FE8D-4DD1-BECE-6B7146CF9D73"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E150AE05-60B4-4ECE-AEFA-3A230DAEBCA5"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36FBF185-3189-40C2-B51B-2531F2D88602"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C62AFF32-856E-4EF9-A87F-C06B6FEEE31F"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "57C746CB-8DFE-4795-931F-42050D7FBEB4"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "986B653D-5CF2-454C-A38F-172D2256E20C"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF5E8C63-D68F-4ACA-B0DC-1D9EF6A3BFA3"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD56E555-180D-45C3-9311-EFB32F480035"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74215553-AB86-4184-B3AB-D82B20275ED6"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:*", 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"F37EBCB6-8056-466C-B2AB-385DF48EEA8F"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D795EA7-04FC-4D0E-9944-6C9D4882A897"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C36C437-D28D-452A-BAF0-4A618A61920B"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5AB898A5-C8EF-4BBA-B480-00461218FC3B"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D06D7E42-666F-43CE-8BE3-0EE915450CC0"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D031679-0C77-4645-B488-DA29BB81FA39"}, {"criteria": "cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE5CA99B-6DED-4395-BFE0-C8DB7F504AF0"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}

3.7 /10