CVE-2011-0997
High
Description
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 dhclient-script.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Isc Dhcp
PublishedApr 8, 2011
First seenApr 8, 2011
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| isc dhcp | 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.1-esv, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 4.1-esv, 4.2.0, 4.2.1 | — |
| debian debian_linux | 5.0, 6.0, 7.0 | — |
| canonical ubuntu_linux | 6.06, 8.04, 9.10, 10.04, 10.10 | — |
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