Vulnerability Monitor

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CVE-2016-6891

MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted ASN.1 Bit Field primitive in an X.509 certificate.

Published

2017-01-05T22:59:00.187

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-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	matrixssl	matrixssl	≤ 3.8.5	Yes

References

http://www.securityfocus.com/bid/93498 Third Party Advisory, VDB Entry ([email protected])
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/ Technical Description, Third Party Advisory ([email protected])
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md Patch, Release Notes, Third Party Advisory ([email protected])
https://www.kb.cert.org/vuls/id/396440 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/93498 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/ Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md Patch, Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/396440 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)