CVE-2020-11713 — HIGH (7.5)

Vulnerability Description

wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Wolfssl	Wolfssl	4.3.0

Related Weaknesses (CWE)

CWE-203

References

https://gist.github.com/pietroborrello/7c5be2d1dc15349c4ffc8671f0aad04fExploitThird Party Advisory
https://github.com/wolfSSL/wolfssl/pull/2894/PatchThird Party Advisory
https://gist.github.com/pietroborrello/7c5be2d1dc15349c4ffc8671f0aad04fExploitThird Party Advisory
https://github.com/wolfSSL/wolfssl/pull/2894/PatchThird Party Advisory

FAQ

What is CVE-2020-11713?

CVE-2020-11713 is a vulnerability with a CVSS score of 7.5 (HIGH). wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.

How severe is CVE-2020-11713?

CVE-2020-11713 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-2020-11713?

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