Heap-Based Buffer Overflow Vulnerability in Perl 5.18 to 5.26
CVE-2018-6797

9.8CRITICAL

Key Information:

Vendor

Debian
Status
Debian Linux
Vendor
CVE Published:
17 April 2018

What is CVE-2018-6797?

A vulnerability has been identified in Perl versions 5.18 through 5.26 where a specially crafted regular expression can lead to a heap-based buffer overflow. This flaw allows an attacker to control the amount of data written to the memory, potentially leading to denial of service or execution of arbitrary code.

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References

http://www.securitytracker.com/id/1042004
vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:1192
vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1040681
vdb-entryx_refsource_SECTRACK

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

JSON
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