CVE-2010-4170

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    CVE-2010-4170

    Published: 7 Dec 2010Last Modified: 10 Apr 2026

    Summary:

    Details: The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which allows local users to gain privileges by setting the MODPROBE_OPTIONS environment variable to specify a malicious configuration file.

    References: http://secunia.com/advisories/42256, http://secunia.com/advisories/42263, http://secunia.com/advisories/42306, http://secunia.com/advisories/42318, http://secunia.com/advisories/46920, http://www.debian.org/security/2011/dsa-2348, http://www.exploit-db.com/exploits/15620, http://www.securityfocus.com/bid/44914, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051115.html, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051122.html, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051127.html, http://packetstormsecurity.com/files/152569/SystemTap-1.3-MODPROBE_OPTIONS-Privilege-Escalation.html, http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commit%3Bh=b7565b41228bea196cefa3a7d43ab67f8f9152e2, http://sources.redhat.com/ml/systemtap/2010-q4/msg00230.html, http://www.redhat.com/support/errata/RHSA-2010-0894.html, http://www.redhat.com/support/errata/RHSA-2010-0895.html, http://www.securitytracker.com/id?1024754, https://exchange.xforce.ibmcloud.com/vulnerabilities/63344, https://www.exploit-db.com/exploits/46730/

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2010-4170 | CVE-DB