CVE-2017-12883: Buffer Overflow
First published: Fri Sep 15 2017(Updated: )
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/perl | <5.24.3 | 5.24.3 |
| redhat/perl | <5.26.1 | 5.26.1 |
| redhat/perl | <5.27.4 | 5.27.4 |
| Perl | <=5.24.2 | |
| Perl | =5.26.0 |
Remedy
https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
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Reference Links
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1492094
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch
- http://www.debian.org/security/2017/dsa-3982
- http://www.securityfocus.com/bid/100852
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
- 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://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
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- version/perl/5.24.2
- version/perl/5.26.0