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cveRedhatCVE-2016-2181
HistorySep 16, 2016 - 5:59 a.m.

CVE-2016-2181

2016-09-1605:59:01
CWE-189
redhat
web.nvd.nist.gov
179
openssl
cve-2016-2181
anti-replay
dtls
denial of service

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.59

Percentile

97.8%

JSON

The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.

Affected configurations

Nvd
Node
opensslopensslMatch1.0.1
OR
opensslopensslMatch1.0.1a
OR
opensslopensslMatch1.0.1b
OR
opensslopensslMatch1.0.1c
OR
opensslopensslMatch1.0.1d
OR
opensslopensslMatch1.0.1e
OR
opensslopensslMatch1.0.1f
OR
opensslopensslMatch1.0.1g
OR
opensslopensslMatch1.0.1h
OR
opensslopensslMatch1.0.1i
OR
opensslopensslMatch1.0.1j
OR
opensslopensslMatch1.0.1k
OR
opensslopensslMatch1.0.1l
OR
opensslopensslMatch1.0.1m
OR
opensslopensslMatch1.0.1n
OR
opensslopensslMatch1.0.1o
OR
opensslopensslMatch1.0.1p
OR
opensslopensslMatch1.0.1q
OR
opensslopensslMatch1.0.1r
OR
opensslopensslMatch1.0.1s
OR
opensslopensslMatch1.0.1t
OR
opensslopensslMatch1.0.2
OR
opensslopensslMatch1.0.2a
OR
opensslopensslMatch1.0.2b
OR
opensslopensslMatch1.0.2c
OR
opensslopensslMatch1.0.2d
OR
opensslopensslMatch1.0.2e
OR
opensslopensslMatch1.0.2f
OR
opensslopensslMatch1.0.2g
OR
opensslopensslMatch1.0.2h
Node
oraclelinuxMatch6
OR
oraclelinuxMatch7
VendorProductVersionCPE
opensslopenssl1.0.1cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
opensslopenssl1.0.1acpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
opensslopenssl1.0.1bcpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
opensslopenssl1.0.1ccpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
opensslopenssl1.0.1dcpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
opensslopenssl1.0.1ecpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
opensslopenssl1.0.1fcpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
opensslopenssl1.0.1gcpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
opensslopenssl1.0.1hcpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*
opensslopenssl1.0.1icpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*
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References

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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.59

Percentile

97.8%

JSON
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