CVE-2018-1000808
Pyopenssl Incorrect Memory Management
5.9
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.
How to fix CVE-2018-1000808
To remediate CVE-2018-1000808, upgrade the affected package to a fixed version below.
- —upgrade to 17.5.0-r0 or later
- —upgrade to 17.5.0-1 or later
- —upgrade to 17.5.0 or later
- —upgrade to 17.5.0 or later
Is CVE-2018-1000808 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 17.5.0-r0
- from 0, < 17.5.0-1
- from 0, < 17.5.0
- from 0, < 17.5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |