high
7.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2011-3597: Input Validation

First published: Mon Oct 03 2011(Updated: )

A flaw was reported [1] in perl Digest module's "Digest-&gt;new()" function, which did not properly sanitize input before using it in an eval() call, which could possibly be exploited to inject and execute arbitrary perl code. The flaw is fixed in version 1.17 [2] and affects at least as far back as perl 5.8.5. The following patch will correct the flaw (selectively taken from upstream's 1.16-&gt;1.17 differences): --- Digest.pm.org 2011-10-03 09:10:29.019681252 -0600 +++ Digest.pm 2011-10-03 09:11:18.630250656 -0600 @@ -35,7 +35,9 @@ sub new ($class, @args) = @$class if ref($class); no strict 'refs'; unless (exists ${"$class\::"}{"VERSION"}) { - eval "require $class"; + my $pm_file = $class . ".pm"; + $pm_file =~ s{::}{/}g; + eval { require $pm_file }; if ($@) { $err ||= $@; next; [1] <a href="https://secunia.com/advisories/46279/">https://secunia.com/advisories/46279/</a> [2] <a href="http://cpansearch.perl.org/src/GAAS/Digest-1.17/Changes">http://cpansearch.perl.org/src/GAAS/Digest-1.17/Changes</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Digest=1.10
Digest=1.03
Digest=1.07
Digest=1.01
Digest=1.16
Digest=1.00
Digest=1.06
Digest=1.11
Digest=1.12
Digest=1.14
Digest=1.09
Digest=1.04
Digest=1.15
Digest=1.13
Digest=1.02
Digest=1.05
Digest=1.08

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=743010

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3597?

    CVE-2011-3597 has been classified as a high severity vulnerability due to its potential for arbitrary code execution.

  • How do I fix CVE-2011-3597?

    To fix CVE-2011-3597, update the Digest module to version 1.17 or later.

  • What versions of Digest are affected by CVE-2011-3597?

    CVE-2011-3597 affects versions of the Digest module from 1.00 to 1.16.

  • Can CVE-2011-3597 lead to remote code execution?

    Yes, CVE-2011-3597 can potentially allow an attacker to execute arbitrary Perl code remotely.

  • What is the nature of the flaw in CVE-2011-3597?

    The flaw in CVE-2011-3597 is related to improper input sanitization in the Digest->new() function.

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