CVE-2017-12814: Buffer Overflow
First published: Wed Sep 27 2017(Updated: )
Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Perl 5.30.0 | <=5.24.2 | |
| Perl 5.30.0 | =5.26.0 | |
| Microsoft Windows Operating System |
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Reference Links
- http://www.securityfocus.com/bid/101051
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://rt.perl.org/Public/Bug/Display.html?id=131665
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
Frequently Asked Questions
What is the severity of CVE-2017-12814?
CVE-2017-12814 has a high severity due to its potential for allowing arbitrary code execution.
How do I fix CVE-2017-12814?
To fix CVE-2017-12814, upgrade Perl to version 5.24.3-RC1 or 5.26.1-RC1 or later.
What specific versions of Perl are affected by CVE-2017-12814?
CVE-2017-12814 affects Perl versions before 5.24.3-RC1 and 5.26.x versions before 5.26.1-RC1.
What are the consequences of exploiting CVE-2017-12814?
Exploiting CVE-2017-12814 can lead to arbitrary code execution on vulnerable Windows systems running affected Perl versions.
Is CVE-2017-12814 a Cross-Site Scripting (XSS) vulnerability?
No, CVE-2017-12814 is a stack-based buffer overflow vulnerability, not an XSS vulnerability.
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