CVE-2010-1158: Integer Overflow
First published: Thu Apr 08 2010(Updated: )
Bruce Merry reported: [1] <a href="http://bugs.gentoo.org/show_bug.cgi?id=313565">http://bugs.gentoo.org/show_bug.cgi?id=313565</a> an integer overflow, leading to stack overflow in the way Perl regular expression engine processed certain regular expression(s). Remote attacker could use this flaw to cause a denial of service (crash of an application, using the Perl regular expression engine). Public PoC from [1]: -------------------- perl -e 'if ((("a " x 100000) . "a\n") =~ /\A\S+(?: \S+)*\n\z/) {}'
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Perl Perl | =5.8.4 | |
| Perl Perl | =5.8.1 | |
| Perl Perl | =5.8.9 | |
| Perl Perl | =5.8.2 | |
| Perl Perl | =5.8.5 | |
| Perl Perl | =5.8.7 | |
| Perl Perl | =5.8.3 | |
| Perl Perl | =5.8.6 | |
| Perl Perl | =5.8.8 |
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Reference Links
- http://bugs.gentoo.org/show_bug.cgi?id=313565
- http://www.openwall.com/lists/oss-security/2010/04/14/3
- http://perldoc.perl.org/perl5100delta.html
- http://www.openwall.com/lists/oss-security/2010/04/08/9
- https://bugzilla.redhat.com/show_bug.cgi?id=580605
- http://secunia.com/advisories/55314
- http://perl5.git.perl.org/perl.git/commitdiff/95b2444054
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