// For flags

CVE-2009-1378

OpenSSL: DTLS fragment handling memory DoS

Severity Score

7.5
*CVSS v3

Exploit Likelihood

4.5%
*EPSS

Affected Versions

5
*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of service (memory consumption) via DTLS records that (1) are duplicates or (2) have sequence numbers much greater than current sequence numbers, aka "DTLS fragment handling memory leak."

Múltiples fugas de memoria en la función dtls1_process_out_of_seq_message en ssl/d1_both.c en OpenSSL v0.9.8k y anteriores permite a atacantes remotos producir una denegación de servicio (consumo de memoria) a través de registros DTLS que (1) son duplicados o (2) tienen una secuencia de números mucho mayor que la actual secuencia de números, conocido también como "fuga de memoria en el manejo de fragmentos DTLS".

*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
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2009-04-23 CVE Reserved
  • 2009-05-19 CVE Published
  • 2024-08-07 CVE Updated
  • 2024-08-07 First Exploit
  • 2025-04-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
References (37)
Affected Vendors, Products, and Versions (5)