FreeBSD : isc-dhcp-client -- dhclient does not strip or escape shell meta-characters (7e69f00d-632a-11e0-9f3a-001d092480a4)

ISC reports : ISC dhclient did not strip or escape certain shell meta-characters in responses from the dhcp server like hostname before passing the responses on to dhclient-script. Depending on the script and OS, this can result in execution of exploit code on the client. %NASLMINLEVEL 70300 C...

Debian DSA-2216-1 : isc-dhcp - missing input sanitization

Sebastian Krahmer and Marius Tomaschewski discovered that dhclient of isc-dhcp, a DHCP client, is not properly filtering shell meta-characters in certain options in DHCP server responses. These options are reused in an insecure fashion by dhclient scripts. This allows an attacker to execute...

[SECURITY] [DSA 2216-1] isc-dhcp security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2216-1 [email protected] http://www.debian.org/security/ Nico Golde April 10, 2011 http://www.debian.org/security/faq -...

DSA-2216-1 isc-dhcp - missing input sanitizing

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DSA-2217-1 dhcp3 - missing input sanitizing

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CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

DEBIAN-CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

Code injection

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

CVE-2011-0997

CVE-2011-0997 affects ISC DHCP dhclient across multiple releases (3.0.x–4.2.x before 4.2.1-P1; 3.1-ESV before 3.1-ESV-R1; 4.1-ESV before 4.1-ESV-R2). The vulnerability arises from insufficient sanitization of certain DHCP options (notably hostname) in server responses, enabling remote attackers t...

CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

ISC dhclient Vulnerability

The Internet Systems Consortium ISC has released an advisory to address a vulnerability in its dhclient application. This vulnerability may allow a remote attacker to execute arbitrary code on the client machine. US-CERT encourages administrators of this product to review the ISC advisory. Users ...

CVE-2011-0997

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

CVE-2011-0997: Improper Input Validation

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to...

PT-2011-1203

Name of the Vulnerable Software and Affected Versions ISC DHCP versions 3.0.x through 4.2.x before 4.2.1-P1 ISC DHCP 3.1-ESV before 3.1-ESV-R1 ISC DHCP 4.1-ESV before 4.1-ESV-R2 dhcp before version 4.2.4 p2 Description The issue allows remote attackers to execute arbitrary commands via shell...

DHCP client allows shell command injection !

The Internet System Consortium's ISC open source DHCP client dhclient allows DHCP servers to inject commands which could allow an attacker to obtain root privileges. The problem is caused by incorrect filtering of metadata in server response fields. By using crafted host names, and depending on t...

isc-dhcp-client -- dhclient does not strip or escape shell meta-characters

ISC reports: ISC dhclient did not strip or escape certain shell meta-characters in responses from the dhcp server like hostname before passing the responses on to dhclient-script. Depending on the script and OS, this can result in execution of exploit code on the client...

ISC dhclient vulnerability

Overview The ISC dhclient contains a vulnerability that could allow a remote attacker to execute arbitrary code on the client machine. Description According to ISC:ISC dhclient did not strip or escape certain shell meta-characters in responses from the dhcp server like hostname before passing the...