The get_rpm_nvr_by_file_path_temporary function in util.py in setroubleshoot before 3.2.22 allows remote attackers to execute arbitrary commands via shell metacharacters in a file name.

Security fix for CVE-2015-1815

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was found that setroubleshoot did not sanitize file names supplied in a shell command look-up for RPMs associated with access violation reports. An attacker could use this flaw to escalate their privileges on the system by supplying a specially crafted file to the underlying shell command. (CVE-2015-1815)

Updated setroubleshoot packages that fix one security issue are now available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The setroubleshoot packages provide tools to help diagnose SELinux problems. When Access Vector Cache (AVC) messages are returned, an alert can be generated that provides information about the problem and helps to track its resolution.

It was found that setroubleshoot did not sanitize file names supplied in a shell command look-up for RPMs associated with access violation reports. An attacker could use this flaw to escalate their privileges on the system by supplying a specially crafted file to the underlying shell command. (CVE-2015-1815)

Red Hat would like to thank Sebastian Krahmer of the SUSE Security Team for reporting this issue.

All setroubleshoot users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

From Red Hat Security Advisory 2015:0729 :

Updated setroubleshoot packages that fix one security issue are now available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The setroubleshoot packages provide tools to help diagnose SELinux problems. When Access Vector Cache (AVC) messages are returned, an alert can be generated that provides information about the problem and helps to track its resolution.

It was found that setroubleshoot did not sanitize file names supplied in a shell command look-up for RPMs associated with access violation reports. An attacker could use this flaw to escalate their privileges on the system by supplying a specially crafted file to the underlying shell command. (CVE-2015-1815)

Red Hat would like to thank Sebastian Krahmer of the SUSE Security Team for reporting this issue.

All setroubleshoot users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

ID	Name	Product	Family	Severity
82648	Fedora 21 : setroubleshoot-3.2.22-1.fc21 (2015-4838)	Nessus	Fedora Local Security Checks	critical
82647	Fedora 20 : setroubleshoot-3.2.17-2.fc20 (2015-4833)	Nessus	Fedora Local Security Checks	critical
82555	Fedora 22 : setroubleshoot-3.2.22-1.fc22 (2015-4792)	Nessus	Fedora Local Security Checks	critical
82294	Scientific Linux Security Update : setroubleshoot on SL5.x, SL6.x, SL7.x i386/x86_64 (20150326)	Nessus	Scientific Linux Local Security Checks	critical
82292	RHEL 5 / 6 / 7 : setroubleshoot (RHSA-2015:0729)	Nessus	Red Hat Local Security Checks	critical
82289	Oracle Linux 5 / 6 / 7 : setroubleshoot (ELSA-2015-0729)	Nessus	Oracle Linux Local Security Checks	critical
82272	CentOS 5 / 6 / 7 : setroubleshoot (CESA-2015:0729)	Nessus	CentOS Local Security Checks	critical

Detections

Analytics

CVE-2015-1815

critical

Tenable Plugins

critical

critical

critical

critical

critical

critical

critical