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FreeBSD3D1372E1-7822-4FD8-B56E-5EE832AFBD96

HistorySep 18, 2015 - 12:00 a.m.

wolfssl -- DDoS amplification in DTLS

2015-09-1800:00:00

vuxml.freebsd.org

5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.008 Low

EPSS

Percentile

81.5%

JSON

Sebastian Ramacher identified an error in wolfSSL’s implementation
of the server side of the DTLS handshake, which could be abused
for DDoS amplification or a DoS on the DTLS server itself.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchwolfssl< 3.6.8UNKNOWN

OS	Version	Architecture	Package	Version	Filename
FreeBSD	any	noarch	wolfssl	< 3.6.8	UNKNOWN

References

github.com/IAIK/wolfSSL-DoS

www.wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html

5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.008 Low

EPSS

Percentile

81.5%

JSON

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