Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2011-0721 | First vendor Publication | 2011-02-18 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 6.4 | Attack Range | Network |
| Cvss Impact Score | 4.9 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0721 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-20 | Improper Input Validation |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:12855 | |||
| Oval ID: | oval:org.mitre.oval:def:12855 | ||
| Title: | DSA-2164-1 shadow -- insufficient input sanitisation | ||
| Description: | Kees Cook discovered that the chfn and chsh utilities do not properly sanitise user input that includes newlines. An attacker could use this to to corrupt passwd entries and may create users or groups in NIS environments. Packages in the oldstable distribution are not affected by this problem. | ||
| Family: | unix | Class: | patch |
| Reference(s): | DSA-2164-1 CVE-2011-0721 | Version: | 5 |
| Platform(s): | Debian GNU/Linux 6.0 Debian GNU/kFreeBSD 6.0 | Product(s): | shadow |
| Definition Synopsis: | |||
| Definition Id: oval:org.mitre.oval:def:13165 | |||
| Oval ID: | oval:org.mitre.oval:def:13165 | ||
| Title: | USN-1065-1 -- shadow vulnerability | ||
| Description: | Kees Cook discovered that some shadow utilities did not correctly validate user input. A local attacker could exploit this flaw to inject newlines into the /etc/passwd file. If the system was configured to use NIS, this could lead to existing NIS groups or users gaining or losing access to the system, resulting in a denial of service or unauthorized access. | ||
| Family: | unix | Class: | patch |
| Reference(s): | USN-1065-1 CVE-2011-0721 | Version: | 5 |
| Platform(s): | Ubuntu 10.10 Ubuntu 9.10 Ubuntu 10.04 | Product(s): | shadow |
| Definition Synopsis: | |||
| |||
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 |
OpenVAS Exploits
| Date | Description |
|---|---|
| 2011-03-07 | Name : Debian Security Advisory DSA 2164-1 (shadow) File : nvt/deb_2164_1.nasl |
| 2011-02-18 | Name : Ubuntu Update for shadow vulnerability USN-1065-1 File : nvt/gb_ubuntu_USN_1065_1.nasl |
| 0000-00-00 | Name : Slackware Advisory SSA:2011-086-03 shadow File : nvt/esoft_slk_ssa_2011_086_03.nasl |
Open Source Vulnerability Database (OSVDB)
| Id | Description |
|---|---|
| 70895 | shadow chfn/chsh Utility GECOS Field CRLF Injection shadow contains multiple CRLF injection vulnerabilities related to the 'chfn' and 'chsh' utilities failing to handle newlines characters properly. This may allow a local attacker to add new groups or users to the 'etc/passwd' file via the GECOS field. |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2014-12-15 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201412-09.nasl - Type : ACT_GATHER_INFO |
| 2011-05-28 | Name : The remote Slackware host is missing a security update. File : Slackware_SSA_2011-086-03.nasl - Type : ACT_GATHER_INFO |
| 2011-02-20 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-2164.nasl - Type : ACT_GATHER_INFO |
| 2011-02-16 | Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-1065-1.nasl - Type : ACT_GATHER_INFO |
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 23:05:59 |
|
| 2024-11-28 12:24:49 |
|
| 2021-05-04 12:14:00 |
|
| 2021-04-22 01:15:10 |
|
| 2020-05-23 00:27:48 |
|
| 2017-08-17 09:23:18 |
|
| 2016-06-28 18:33:16 |
|
| 2016-04-26 20:33:02 |
|
| 2014-12-16 13:24:47 |
|
| 2014-02-17 11:00:30 |
|
| 2013-05-10 22:54:39 |
|
