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CVE-2011-1487

Published: 11 April 2011

The (1) lc, (2) lcfirst, (3) uc, and (4) ucfirst functions in Perl 5.10.x, 5.11.x, and 5.12.x through 5.12.3, and 5.13.x through 5.13.11, do not apply the taint attribute to the return value upon processing tainted input, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.

Notes

AuthorNote
mdeslaur
see: http://www.nntp.perl.org/group/perl.perl5.porters/2011/04/msg171010.html
dapper and hardy were before the vulnerable code was introduced

Priority

Low

Status

Package Release Status
perl
Launchpad, Ubuntu, Debian
dapper Not vulnerable
(5.8.7-10ubuntu1.2)
hardy Not vulnerable
(5.8.8-12ubuntu0.4)
karmic Ignored
(end of life)
lucid
Released (5.10.1-8ubuntu2.1)
maverick
Released (5.10.1-12ubuntu2.1)
natty
Released (5.10.1-17ubuntu4.1)
upstream
Released (5.10.1-20)
Patches:
upstream: http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99