medium
4
CWE
20
Advisory Published
CVE Published
Updated

CVE-2011-0418: Input Validation

First published: Thu May 12 2011(Updated: )

Multiple libc/glob(3) flaws were reported [1] that affect various *BSD libc implementations. In particular, globs containing braces could lead to resource exhaustion. One such vulnerable application is Pure-FTPd. This has been corrected in upstream version 1.0.32, where support for braces expansion in directory listings was disabled. [1] <a href="http://securityreason.com/achievement_securityalert/97">http://securityreason.com/achievement_securityalert/97</a> [2] <a href="http://www.pureftpd.org/project/pure-ftpd/news">http://www.pureftpd.org/project/pure-ftpd/news</a>

Credit: cret@cert.org

Affected SoftwareAffected VersionHow to fix
Pure-FTPd<=1.0.31
Pure-FTPd=0.90
Pure-FTPd=0.91
Pure-FTPd=0.92
Pure-FTPd=0.93
Pure-FTPd=0.94
Pure-FTPd=0.95
Pure-FTPd=0.95-pre1
Pure-FTPd=0.95-pre2
Pure-FTPd=0.95-pre3
Pure-FTPd=0.95-pre4
Pure-FTPd=0.95.1
Pure-FTPd=0.95.2
Pure-FTPd=0.96
Pure-FTPd=0.96.1
Pure-FTPd=0.96pre1
Pure-FTPd=0.97-final
Pure-FTPd=0.97.1
Pure-FTPd=0.97.2
Pure-FTPd=0.97.3
Pure-FTPd=0.97.4
Pure-FTPd=0.97.5
Pure-FTPd=0.97.6
Pure-FTPd=0.97.7
Pure-FTPd=0.97.7pre1
Pure-FTPd=0.97.7pre2
Pure-FTPd=0.97.7pre3
Pure-FTPd=0.97pre1
Pure-FTPd=0.97pre2
Pure-FTPd=0.97pre3
Pure-FTPd=0.97pre4
Pure-FTPd=0.97pre5
Pure-FTPd=0.98-final
Pure-FTPd=0.98.1
Pure-FTPd=0.98.2
Pure-FTPd=0.98.2a
Pure-FTPd=0.98.3
Pure-FTPd=0.98.4
Pure-FTPd=0.98.5
Pure-FTPd=0.98.6
Pure-FTPd=0.98.7
Pure-FTPd=0.98pre1
Pure-FTPd=0.98pre2
Pure-FTPd=0.99
Pure-FTPd=0.99.1
Pure-FTPd=0.99.1a
Pure-FTPd=0.99.1b
Pure-FTPd=0.99.2
Pure-FTPd=0.99.2a
Pure-FTPd=0.99.3
Pure-FTPd=0.99.4
Pure-FTPd=0.99.9
Pure-FTPd=0.99a
Pure-FTPd=0.99b
Pure-FTPd=0.99pre1
Pure-FTPd=0.99pre2
Pure-FTPd=1.0.0
Pure-FTPd=1.0.1
Pure-FTPd=1.0.2
Pure-FTPd=1.0.3
Pure-FTPd=1.0.4
Pure-FTPd=1.0.5
Pure-FTPd=1.0.6
Pure-FTPd=1.0.7
Pure-FTPd=1.0.8
Pure-FTPd=1.0.9
Pure-FTPd=1.0.10
Pure-FTPd=1.0.11
Pure-FTPd=1.0.12
Pure-FTPd=1.0.13a
Pure-FTPd=1.0.14
Pure-FTPd=1.0.15
Pure-FTPd=1.0.16a
Pure-FTPd=1.0.16b
Pure-FTPd=1.0.16c
Pure-FTPd=1.0.17
Pure-FTPd=1.0.17a
Pure-FTPd=1.0.18
Pure-FTPd=1.0.19
Pure-FTPd=1.0.20
Pure-FTPd=1.0.21
Pure-FTPd=1.0.22
Pure-FTPd=1.0.24
Pure-FTPd=1.0.25
Pure-FTPd=1.0.26
Pure-FTPd=1.0.27
Pure-FTPd=1.0.28
Pure-FTPd=1.0.29
Pure-FTPd=1.0.30
NetBSD current=5.1

Remedy

http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/glob.c#rev1.28

Remedy

http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/glob.c.diff?r1=1.27&r2=1.28&f=h

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-0418?

    The severity of CVE-2011-0418 is rated as moderate due to its potential for resource exhaustion.

  • How do I fix CVE-2011-0418?

    To fix CVE-2011-0418, update Pure-FTPd to version 1.0.32 or later.

  • Which versions of Pure-FTPd are affected by CVE-2011-0418?

    CVE-2011-0418 affects Pure-FTPd versions 0.97-final, 0.98-final, 1.0.19, and several earlier versions.

  • What types of attacks are possible due to CVE-2011-0418?

    CVE-2011-0418 can be exploited for denial-of-service attacks by triggering resource exhaustion.

  • Is there a known exploit for CVE-2011-0418?

    As of now, there are no publicly available exploits specifically targeting CVE-2011-0418.

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