CVE-2013-2145: Input Validation
First published: Wed Jun 05 2013(Updated: )
The cpansign verify functionality in the Module::Signature module before 0.72 for Perl allows attackers to bypass the signature check and execute arbitrary code via a SIGNATURE file with a "special unknown cipher" that references an untrusted module in Digest/.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/perl-Module-Signature | <0.72 | 0.72 |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =12.10 | |
| Ubuntu Linux | =13.04 | |
| openSUSE | =11.4 | |
| openSUSE | =12.2 | |
| openSUSE | =12.3 | |
| perlmonks module\ | <=0.72 | |
| perlmonks module\ | =\-signature | |
| perlmonks module\ | =\-signature |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00039.html
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00043.html
- http://www.openwall.com/lists/oss-security/2013/06/05/16
- http://www.securityfocus.com/bid/60352
- http://www.ubuntu.com/usn/USN-1896-1
- https://bugzilla.redhat.com/show_bug.cgi?id=971096
- https://github.com/audreyt/module-signature/commit/575f7bd6ba4cc7c92f841e8758f88a131674ebf2
- https://github.com/audreyt/module-signature/commit/cbd06b392a73c63159dc5c20ff5b3c8fc88c4896
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=971098
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=971099
Frequently Asked Questions
What is the severity of CVE-2013-2145?
CVE-2013-2145 is classified as a critical vulnerability due to its potential to allow attackers to execute arbitrary code.
How do I fix CVE-2013-2145?
To remediate CVE-2013-2145, update the perl-Module-Signature module to version 0.72 or later.
Which versions of Perl are affected by CVE-2013-2145?
CVE-2013-2145 affects versions of the Module::Signature module prior to 0.72.
What is the nature of the vulnerability in CVE-2013-2145?
The vulnerability in CVE-2013-2145 allows signature verification bypass via a manipulated SIGNATURE file.
Is CVE-2013-2145 related to specific operating systems?
CVE-2013-2145 affects various systems including specific versions of Ubuntu and openSUSE.
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- version/ubuntu linux/12.04
- version/ubuntu linux/12.10
- version/ubuntu linux/13.04
- vendor/opensuse
- canonical/opensuse
- version/opensuse/11.4
- version/opensuse/12.2
- version/opensuse/12.3
- vendor/perlmonks
- canonical/perlmonks module\
- version/perlmonks module\/0.72
- version/perlmonks module\/\-signature