CVE-2017-3731
7.5
HIGH
CVSS 3.1
EPSS 10.4%
Description
If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.
How to fix CVE-2017-3731
To remediate CVE-2017-3731, upgrade the affected package to a fixed version below.
- —upgrade to 1.0.2k-r0 or later
- —upgrade to 1.1.0d-1 or later
Is CVE-2017-3731 being exploited?
Moderate — EPSS is 10.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 1.0.2k-r0
- from 0, < 1.1.0d-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |