cve/2017/CVE-2017-12883.md

CVE-2017-12883

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.

POC

Reference

• https://www.oracle.com/security-alerts/cpujul2020.html

Github

• https://github.com/yfoelling/yair