01 Record
CVE-2016-6882
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.2% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-03-03 16:00Z9 YR AGO
- Last updated
- 2024-08-06 01:43Z2 YR AGO
- Reserved
- 2016-08-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 6872ffd69609898a6591169f4c73ffe71b6968e1adb5c6d98918f3c2d306aa0d
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.openwall.com[oss-security] 20160819 Re: CVE request: MatrixSSL lack of RSA-CRT hardeninghttp://www.openwall.com/lists/oss-security/2016/08/19/7
- people.redhat.comhttps://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
- access.redhat.comhttps://access.redhat.com/blogs/766093/posts/1976703
- github.comhttps://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation
- www.securityfocus.com91488http://www.securityfocus.com/bid/91488