Vulnerability CVE-2010-2253
Published: 2010-07-06   Modified: 2012-02-13

Description:
lwp-download in libwww-perl before 5.835 does not reject downloads to filenames that begin with a . (dot) character, which allows remote servers to create or overwrite files via (1) a 3xx redirect to a URL with a crafted filename or (2) 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:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Search.cpan -> Libwww-perl 
Gisle aas -> Libwww-perl 

 References:
http://cpansearch.perl.org/src/GAAS/libwww-perl-5.836/Changes
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050232.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050245.html
http://marc.info/?l=oss-security&m=127411372529485&w=2
http://marc.info/?l=oss-security&m=127611288927500&w=2
http://www.ocert.org/advisories/ocert-2010-001.html
http://www.ubuntu.com/usn/USN-981-1
http://www.vupen.com/english/advisories/2010/2872
https://bugzilla.redhat.com/show_bug.cgi?id=591580
https://bugzilla.redhat.com/show_bug.cgi?id=602800
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