CVE-2016-5387
apache2 - security update
8.1
HIGH
CVSS 3.1
EPSS 43.9%
Description
The Apache HTTP Server through 2.4.23 follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue. NOTE: the vendor states "This mitigation has been assigned the identifier CVE-2016-5387"; in other words, this is not a CVE ID for a vulnerability.
How to fix CVE-2016-5387
To remediate CVE-2016-5387, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.23-r1 or later
- —upgrade to 2.4.23-2 or later
- —upgrade to 2.2.22-13+deb7u7 or later
- —upgrade to 2.4.10-10+deb8u5 or later
Is CVE-2016-5387 being exploited?
Moderate — EPSS is 43.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 2.4.23-r1
- from 0, < 2.4.23-2
- from 0, < 2.2.22-13+deb7u7
- from 0, < 2.4.10-10+deb8u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |