CVE-2017-8855 — HIGH (7.5) — White Hats Nepal

Q: What is CVE-2017-8855?

CVE-2017-8855 is a vulnerability with a CVSS score of 7.5 (HIGH). wolfSSL before 3.11.0 does not prevent wc_DhAgree from accepting a malformed DH key.

Q: How severe is CVE-2017-8855?

CVE-2017-8855 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-8855?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.

Vulnerability Description

wolfSSL before 3.11.0 does not prevent wc_DhAgree from accepting a malformed DH key.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Wolfssl	Wolfssl	<= 3.10.4

References

https://github.com/wolfSSL/wolfssl/releases/tag/v3.11.0-stableIssue TrackingPatchThird Party Advisory
https://github.com/wolfSSL/wolfssl/releases/tag/v3.11.0-stableIssue TrackingPatchThird Party Advisory

FAQ

What is CVE-2017-8855?

CVE-2017-8855 is a vulnerability with a CVSS score of 7.5 (HIGH). wolfSSL before 3.11.0 does not prevent wc_DhAgree from accepting a malformed DH key.

How severe is CVE-2017-8855?

CVE-2017-8855 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-8855?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.