Buffer Overflow Vulnerability in Perl by The Perl Foundation
CVE-2018-18311

9.8CRITICAL

Key Information:

Vendor
Perl
Status
Perl
Vendor
CVE Published:
7 December 2018

Summary

A buffer overflow vulnerability exists in Perl versions prior to 5.26.3 and 5.28.x prior to 5.28.1. This flaw is caused by improper handling of crafted regular expressions, leading to potential invalid write operations in memory. An attacker could exploit this vulnerability to trigger unexpected behavior or crashes in applications using affected Perl versions.

References

https://lists.debian.org/debian-lts-announce/2018/11/msg0...
mailing-listx_refsource_MLIST
https://www.debian.org/security/2018/dsa-4347
vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/106145
vdb-entryx_refsource_BID

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2018-18311 : Buffer Overflow Vulnerability in Perl by The Perl Foundation | SecurityVulnerability.io