Input validation error in SystemTap - CVE-2011-2502

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Main Vulnerability Database Vulnerabilities #VU43777

Input validation error in SystemTap - CVE-2011-2502

Published: July 26, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU43777
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-2502
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SystemTap
Affected software:
SystemTap

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

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 to mitigate CVE-2011-2502

Install update from vendor's website.

Sources