// For flags

CVE-2023-27786

Ubuntu Security Notice USN-7231-1

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the macinstring function.

It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. A remote attacker could possibly use this issue to cause Tcpreplay to crash, resulting in a denial of service. It was discovered that Tcpreplay incorrectly validated external input. A remote attacker could possibly use this issue to cause Tcpreplay to crash, resulting in a denial of service.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-03-05 CVE Reserved
  • 2023-03-16 CVE Published
  • 2025-02-26 CVE Updated
  • 2025-02-26 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Broadcom
Search vendor "Broadcom"
 Tcpreplay
Search vendor "Broadcom" for product "Tcpreplay"
 4.4.3
Search vendor "Broadcom" for product "Tcpreplay" and version "4.4.3"
-
Affected