Vulnerability Monitor

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CVE-2016-2179


The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.


Published

2016-09-16T05:59:00.143

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openssl openssl 1.0.1 Yes
Application openssl openssl 1.0.1a Yes
Application openssl openssl 1.0.1b Yes
Application openssl openssl 1.0.1c Yes
Application openssl openssl 1.0.1d Yes
Application openssl openssl 1.0.1e Yes
Application openssl openssl 1.0.1f Yes
Application openssl openssl 1.0.1g Yes
Application openssl openssl 1.0.1h Yes
Application openssl openssl 1.0.1i Yes
Application openssl openssl 1.0.1j Yes
Application openssl openssl 1.0.1k Yes
Application openssl openssl 1.0.1l Yes
Application openssl openssl 1.0.1m Yes
Application openssl openssl 1.0.1n Yes
Application openssl openssl 1.0.1o Yes
Application openssl openssl 1.0.1p Yes
Application openssl openssl 1.0.1q Yes
Application openssl openssl 1.0.1r Yes
Application openssl openssl 1.0.1s Yes
Application openssl openssl 1.0.1t Yes
Application openssl openssl 1.0.2 Yes
Application openssl openssl 1.0.2a Yes
Application openssl openssl 1.0.2b Yes
Application openssl openssl 1.0.2c Yes
Application openssl openssl 1.0.2d Yes
Application openssl openssl 1.0.2e Yes
Application openssl openssl 1.0.2f Yes
Application openssl openssl 1.0.2g Yes
Application openssl openssl 1.0.2h Yes
Operating System oracle linux 6 Yes
Operating System oracle linux 7 Yes

References