CVE-2016-9952
8.1
HIGH
CVSS 3.1
EPSS 0.40%
Description
The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."
How to fix CVE-2016-9952
To remediate CVE-2016-9952, upgrade the affected package to a fixed version below.
- Alpine/curl—upgrade to 7.52.1-r0 or later
Is CVE-2016-9952 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7.52.1-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |