Vulnerability CVE-2010-2251
Published: 2010-07-06   Modified: 2012-02-13

Description:
The get1 command, as used by lftpget, in LFTP before 4.0.6 does not properly validate a server-provided filename before determining the destination filename of a download, which allows remote servers to create or overwrite arbitrary files via a Content-Disposition header that suggests a crafted filename, and possibly execute arbitrary code as a consequence of writing to a dotfile in a home directory.

See advisories in our WLB2 database:
Topic
Author
Date
High
multiple http client unexpected download filename
Daniele Bianco
09.07.2010

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Alexander v. lukyanov -> LFTP 

 References:
http://lftp.yar.ru/news.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043597.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
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://wiki.rpath.com/Advisories:rPSA-2010-0073
http://www.debian.org/security/2010/dsa-2085
http://www.ocert.org/advisories/ocert-2010-001.html
http://www.securityfocus.com/archive/1/514499/100/0/threaded
http://www.vupen.com/english/advisories/2010/1654
https://bugzilla.redhat.com/show_bug.cgi?id=591580
https://bugzilla.redhat.com/show_bug.cgi?id=602836
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