Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Perl | Perl | <= 5.24.2 |
Related Weaknesses (CWE)
References
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patcPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3982
- http://www.securityfocus.com/bid/100852Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue TrackingPatchThird Party Advisory
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd20PatchVendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release NotesVendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release NotesVendor Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patcPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3982
- http://www.securityfocus.com/bid/100852Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue TrackingPatchThird Party Advisory
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd20PatchVendor Advisory
FAQ
What is CVE-2017-12883?
CVE-2017-12883 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 ser...
How severe is CVE-2017-12883?
CVE-2017-12883 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-12883?
Check the references section above for vendor advisories and patch information. Affected products include: Perl Perl.