Vulnerability Description
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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Systemtap | Systemtap | <= 1.5 |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/45377Vendor Advisory
- http://secunia.com/advisories/46920Vendor Advisory
- http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=
- http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51
- http://www.debian.org/security/2011/dsa-2348
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
- http://secunia.com/advisories/45377Vendor Advisory
- http://secunia.com/advisories/46920Vendor Advisory
- http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=
- http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51
- http://www.debian.org/security/2011/dsa-2348
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
FAQ
What is CVE-2011-2503?
CVE-2011-2503 is a vulnerability with a CVSS score of 3.7 (LOW). 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 us...
How severe is CVE-2011-2503?
CVE-2011-2503 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2503?
Check the references section above for vendor advisories and patch information. Affected products include: Systemtap Systemtap.