National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-0721 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014
http://www.debian.org/security/2011/dsa-2164
http://www.securityfocus.com/bid/46426
http://www.ubuntu.com/usn/USN-1065-1
http://www.vupen.com/english/advisories/2011/0396 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0398 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0773
https://exchange.xforce.ibmcloud.com/vulnerabilities/65564

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:debian:shadow:1\:4.1.4:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-0721
NVD Published Date:
02/18/2011
NVD Last Modified:
08/16/2017