// For flags

CVE-2023-43279

Ubuntu Security Notice USN-7231-1

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.

La desreferencia de puntero nulo en el componente mask_cidr6 en cidr.c en Tcpreplay 4.4.4 permite a los atacantes bloquear la aplicación mediante un comando tcprewrite manipulado.

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
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-09-18 CVE Reserved
  • 2024-03-12 CVE Published
  • 2024-10-31 CVE Updated
  • 2025-06-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
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"
*-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
*-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
*-
Affected