Out-of-Bounds

Affecting perl package, versions <5.20.2-3+deb8u9

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Overview

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.

References

CVSS Score

9.1
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVE
CVE-2017-12883
CWE
CWE-119
Snyk ID
SNYK-DEBIAN8-PERL-327734
Disclosed
19 Sep, 2017
Published
19 Sep, 2017