Use-after-free Vulnerability in Samba Software by Samba Team
CVE-2019-19344

6.5MEDIUM

Key Information:

Vendor
Red Hat
Status
Vendor
CVE Published:
21 January 2020

Summary

A use-after-free vulnerability exists in all versions of Samba 4.9.x prior to 4.9.18, 4.10.x prior to 4.10.12, and 4.11.x prior to 4.11.5. This flaw arises from a problematic call to realloc(), which may allow an attacker to exploit the original buffer while other local variables still point to it, potentially leading to unexpected behavior or remote code execution.

Affected Version(s)

samba all samba 4.11.x versions before 4.11.5

samba all samba 4.10.x versions before 4.10.12

samba all samba 4.9.x versions before 4.9.18

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.