CVE-2015-7744
5.9
MEDIUM
CVSS 3.1
EPSS 2.7%
Description
wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange without low memory optimizations on a server, which makes it easier for remote attackers to obtain private RSA keys by capturing TLS handshakes, aka a Lenstra attack.
How to fix CVE-2015-7744
To remediate CVE-2015-7744, upgrade the affected package to a fixed version below.
- Debian/wolfssl—upgrade to 3.9.10+dfsg-1 or later
Is CVE-2015-7744 being exploited?
Low — EPSS is 2.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.9.10+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |