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Test ID:1.3.6.1.4.1.25623.1.0.68230
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-984-1 (lftp)
Summary:Ubuntu USN-984-1 (lftp)
Description:The remote host is missing an update to lftp
announced via advisory USN-984-1.

Details follow:

It was discovered that LFTP incorrectly filtered filenames suggested
by Content-Disposition headers. If a user or automated system were tricked
into downloading a file from a malicious site, a remote attacker could
create the file with an arbitrary name, such as a dotfile, and possibly run
arbitrary code.

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 8.04 LTS:
lftp 3.6.1-1ubuntu0.1

Ubuntu 9.04:
lftp 3.7.8-1ubuntu0.1

Ubuntu 9.10:
lftp 3.7.15-1ubuntu2.1

Ubuntu 10.04 LTS:
lftp 4.0.2-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

ATTENTION: This update changes previous behaviour by ignoring the filename
supplied by servers in Content-Disposition headers. To re-enable previous
behaviour, use the new xfer:auto-rename setting.

http://www.securityspace.com/smysecure/catid.html?in=USN-984-1

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-2251
Bugtraq: 20101027 rPSA-2010-0073-1 lftp (Google Search)
http://www.securityfocus.com/archive/1/archive/1/514499/100/0/threaded
http://marc.info/?l=oss-security&m=127411372529485&w=2
http://marc.info/?l=oss-security&m=127432968701342&w=2
http://marc.info/?l=oss-security&m=127611288927500&w=2
http://marc.info/?l=oss-security&m=127620248914170&w=2
http://www.ocert.org/advisories/ocert-2010-001.html
Debian Security Information: DSA-2085 (Google Search)
http://www.debian.org/security/2010/dsa-2085
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043597.html
SuSE Security Announcement: SUSE-SR:2010:014 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://secunia.com/advisories/40400
http://www.vupen.com/english/advisories/2010/1654
CopyrightCopyright (c) 2010 E-Soft Inc. http://www.securityspace.com

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