CVE-2011-0997
dhclient: insufficient sanitization of certain DHCP response values
Severity Score
7.5
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
dhclient en ISC DHCP 3.0.x hasta la versión 4.2.x en versiones anteriores a 4.2.1-P1, 3.1-ESV en versiones anteriores a 3.1-ESV-R1 y 4.1-ESV en versiones anteriores a 4.1-ESV-R2 permite a atacantes remotos ejecutar comandos arbitrarios a través de metacaracteres shell en un nombre de anfitrión obtenido de un mensaje DHCP, como es demostrado por un nombre de anfitrión dado por dhclient-script.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-02-14 CVE Reserved
- 2011-04-07 CVE Published
- 2024-08-06 CVE Updated
- 2024-08-06 First Exploit
- 2024-09-03 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
References (29)
| URL | Tag | Source |
|---|---|---|
| http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 | Third Party Advisory | |
| http://secunia.com/advisories/44037 | Third Party Advisory | |
| http://secunia.com/advisories/44048 | Third Party Advisory | |
| http://secunia.com/advisories/44089 | Third Party Advisory | |
| http://secunia.com/advisories/44090 | Third Party Advisory | |
| http://secunia.com/advisories/44103 | Third Party Advisory | |
| http://secunia.com/advisories/44127 | Third Party Advisory | |
| http://secunia.com/advisories/44180 | Third Party Advisory | |
| http://securitytracker.com/id?1025300 | Third Party Advisory | |
| http://www.kb.cert.org/vuls/id/107886 | Third Party Advisory |
|
| http://www.osvdb.org/71493 | Broken Link | |
| http://www.securityfocus.com/bid/47176 | Third Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/66580 | Third Party Advisory | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812 | Signature |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/37623 | 2024-08-06 |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=689832 | 2011-05-31 | |
| https://www.isc.org/software/dhcp/advisories/cve-2011-0997 | 2020-04-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0 Search vendor "Isc" for product "Dhcp" and version "3.0" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc10 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc11 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc12 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc13 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc14 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc5 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc6 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc7 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc8 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1" | rc9 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.2 Search vendor "Isc" for product "Dhcp" and version "3.0.2" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.2 Search vendor "Isc" for product "Dhcp" and version "3.0.2" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.2 Search vendor "Isc" for product "Dhcp" and version "3.0.2" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.2 Search vendor "Isc" for product "Dhcp" and version "3.0.2" | rc2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.2 Search vendor "Isc" for product "Dhcp" and version "3.0.2" | rc3 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.3 Search vendor "Isc" for product "Dhcp" and version "3.0.3" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.3 Search vendor "Isc" for product "Dhcp" and version "3.0.3" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.3 Search vendor "Isc" for product "Dhcp" and version "3.0.3" | b2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.3 Search vendor "Isc" for product "Dhcp" and version "3.0.3" | b3 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.4 Search vendor "Isc" for product "Dhcp" and version "3.0.4" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.4 Search vendor "Isc" for product "Dhcp" and version "3.0.4" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.4 Search vendor "Isc" for product "Dhcp" and version "3.0.4" | b2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.4 Search vendor "Isc" for product "Dhcp" and version "3.0.4" | b3 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.4 Search vendor "Isc" for product "Dhcp" and version "3.0.4" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.5 Search vendor "Isc" for product "Dhcp" and version "3.0.5" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.5 Search vendor "Isc" for product "Dhcp" and version "3.0.5" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.0.6 Search vendor "Isc" for product "Dhcp" and version "3.0.6" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1-esv Search vendor "Isc" for product "Dhcp" and version "3.1-esv" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | a1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | a2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | a3 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | b2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.0 Search vendor "Isc" for product "Dhcp" and version "3.1.0" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.1 Search vendor "Isc" for product "Dhcp" and version "3.1.1" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.1 Search vendor "Isc" for product "Dhcp" and version "3.1.1" | rc2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.2 Search vendor "Isc" for product "Dhcp" and version "3.1.2" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.2 Search vendor "Isc" for product "Dhcp" and version "3.1.2" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.2 Search vendor "Isc" for product "Dhcp" and version "3.1.2" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.3 Search vendor "Isc" for product "Dhcp" and version "3.1.3" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.3 Search vendor "Isc" for product "Dhcp" and version "3.1.3" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 3.1.3 Search vendor "Isc" for product "Dhcp" and version "3.1.3" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.1-esv Search vendor "Isc" for product "Dhcp" and version "4.1-esv" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.1-esv Search vendor "Isc" for product "Dhcp" and version "4.1-esv" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | a1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | a2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | b2 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | p1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.0 Search vendor "Isc" for product "Dhcp" and version "4.2.0" | rc1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.1 Search vendor "Isc" for product "Dhcp" and version "4.2.1" | - |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.1 Search vendor "Isc" for product "Dhcp" and version "4.2.1" | b1 |
Affected
| ||||||
| Isc Search vendor "Isc" | Dhcp Search vendor "Isc" for product "Dhcp" | 4.2.1 Search vendor "Isc" for product "Dhcp" and version "4.2.1" | rc1 |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 5.0 Search vendor "Debian" for product "Debian Linux" and version "5.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 6.0 Search vendor "Debian" for product "Debian Linux" and version "6.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 6.06 Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 9.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.10" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 10.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "10.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 10.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "10.10" | - |
Affected
| ||||||