CVE-2011-0721

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.

Category

6.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.42% Top 25%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory slackware.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/0398 vdb entry vendor advisory
http://www.vupen.com/english/advisories/2011/0773 vdb entry
http://secunia.com/advisories/43345 third party advisory vendor advisory
http://www.debian.org/security/2011/dsa-2164 vendor advisory
http://www.ubuntu.com/usn/USN-1065-1 vendor advisory
http://www.vupen.com/english/advisories/2011/0396 vdb entry vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65564 vdb entry
http://osvdb.org/70895 vdb entry
http://www.securityfocus.com/bid/46426 vdb entry
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014 vendor advisory
http://secunia.com/advisories/42505 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-0721?
CVE-2011-0721 has been scored as a medium severity vulnerability.
How to fix CVE-2011-0721?
To fix CVE-2011-0721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0721 being actively exploited in the wild?
It is possible that CVE-2011-0721 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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