CVE-2011-2502
CVE-2011-2502 is a medium-severity vulnerability in Systemtap with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.4)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Systemtap
- Published:
- Last modified:
Description
runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate modules when a module path is specified by a user for user-space probing, which allows local users in the stapusr group to gain privileges via a crafted module in the search path in the -u argument.
Frequently asked questions
- What is CVE-2011-2502?
- runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate modules when a module path is specified by a user for user-space probing, which allows local users in the stapusr group to gain privileges via a crafted module in the search path in the -u argument.
- How severe is CVE-2011-2502?
- CVE-2011-2502 has a CVSS 2.0 base score of 4.4, rated medium severity.
- Is CVE-2011-2502 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-2502?
- CVE-2011-2502 primarily affects Systemtap. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-2502?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-2502 published?
- CVE-2011-2502 was published on 2012-07-26 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/45377
- 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=4ecaadf545a729bb3e5f01f6f019716d49815d9a
- https://bugzilla.redhat.com/show_bug.cgi?id=716476
Affected products (30)
- 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:*:*:*:*:*:*:*
More vulnerabilities in Systemtap
- CVE-2009-4273 — Critical (CVSS 10.0): stap-server in SystemTap before 1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in…
- CVE-2010-0412 — High (CVSS 7.5): stap-server in SystemTap 1.1 does not properly restrict the value of the -B (aka BUILD) option, which allows attackers…
- CVE-2010-4170 — High (CVSS 7.2): The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which…
- CVE-2009-0784 — Medium (CVSS 6.3): Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr group to…
- CVE-2012-0875 — Medium (CVSS 5.4): SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to obtain…
- CVE-2010-0411 — Medium (CVSS 4.9): Multiple integer signedness errors in the (1) __get_argv and (2) __get_compat_argv functions in tapset/aux_syscalls.stp…
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