PT-2011-1041 · Debian · Bcfg2

Stpierre · Published 2011-09-15 · Updated 2011-09-23 · CVE-2011-3211

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Bcfg2 versions 1.1.2 and earlier Bcfg2 version 1.2 prerelease

Description The issue allows remote attackers to execute arbitrary commands via shell metacharacters in data received from a client. Multiple vulnerabilities in the Bcfg2 package of the Debian GNU/Linux operating system can be exploited remotely, potentially leading to a breach of confidentiality, integrity, and availability of protected information.

Recommendations For Bcfg2 versions 1.1.2 and earlier, consider disabling the reception of client data until a patch is available. For Bcfg2 version 1.2 prerelease, restrict access to the server to minimize the risk of exploitation. As a temporary workaround, consider validating and sanitizing all client data to prevent the execution of arbitrary commands via shell metacharacters.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2015-02946

CVE-2011-3211

DSA-2302-1

Affected Products

Bcfg2

References · 18

• https://github.com/solj/bcfg2/commit/46795ae451ca6ede55a0edeb726978aef4684b53 · Patch
• https://github.com/solj/bcfg2/commit/f4a35efec1b6a1e54d61cf1b8bfc83dd1d89eef7 · Patch
• http://openwall.com/lists/oss-security/2011/09/06/1 · Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-September/066071.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-02946 · Security Note
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=640028 · Patch
• http://debian.org/security/2011/dsa-2302 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3211 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-3211 · Security Note
• http://secunia.com/advisories/45926 · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/09/01/1 · Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-September/066070.html · Vendor Advisory
• http://secunia.com/advisories/45807 · Vendor Advisory
• http://article.gmane.org/gmane.comp.sysutils.bcfg2.devel/4318 · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=736279 · Patch