Vulnerability Details : CVE-2017-12883

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.
Published 2017-09-19 18:29:00
Updated 2020-07-15 03:15:18
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2017-12883

Exploit prediction scoring system (EPSS) score for CVE-2017-12883

EPSS FAQ
3.43%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-12883

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
 NIST
9.1
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
 NIST

CWE ids for CVE-2017-12883

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-12883

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