CVE-2016-2179 - CVE House
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Status published High CVE-2016-2179

The DTLS implementation in OpenSSL before 1.1.0 does not properly...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2016-7055
There is a carry propagating bug in the Broadwell-specific Montgomery...
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CVE-2016-6309
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after...
Critical 9.8
CVE-2016-6308
statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a...
Medium 5.9
CVE-2016-6307
The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory...
Medium 5.9
CVE-2016-6306
The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before...
Medium 5.9

Affected Vendor

Affected Software

openssl, linux
Vulnerable Versions:
1.0.1, 1.0.1a, 1.0.1b, 1.0.1c, 1.0.1d, 1.0.1e, 1.0.1f, 1.0.1g, 1.0.1h, 1.0.1i, 1.0.1j, 1.0.1k, 1.0.1l, 1.0.1m, 1.0.1n, 1.0.1o, 1.0.1p, 1.0.1q, 1.0.1r, 1.0.1s, 1.0.1t, 1.0.2, 1.0.2a, 1.0.2b, 1.0.2c, 1.0.2d, 1.0.2e, 1.0.2f, 1.0.2g, 1.0.2h, 6, 7

Timeline

Official Publish: September 16th, 2016
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.