Heap-Based Buffer Over-read in Suricata Affected by Integer Underflow
CVE-2019-10053

9.8CRITICAL

Key Information:

Vendor

Suricata-ids

Status
Suricata
Vendor
CVE Published:
13 May 2019

What is CVE-2019-10053?

A vulnerability exists in Suricata versions prior to 4.1.4, which is triggered when the SSHParseBanner function processes input consisting solely of a newline character. This flaw leads to a heap-based buffer over-read due to an erroneous attempt to locate a carriage return, resulting in an integer underflow. Attackers could exploit this vulnerability to potentially expose sensitive information or compromise system integrity.

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References

https://lists.openinfosecfoundation.org/pipermail/oisf-an...
x_refsource_MISC
https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/
x_refsource_MISC

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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