CVE-2010-2253

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-07-06 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Gisle Aas Libwww-Perl: 0.01, 0.02, 0.03, 0.04, 5.00, 5.01 (+114)
Search.Cpan Libwww-Perl: through 5.834; 5.40_01

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
http://cpansearch.perl.org/src/GAAS/libwww-perl-5.836/Changes
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050232.html

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