CVE-2017-9800
subversion - security update
9.8
CRITICAL
CVSS 3.1
EPSS 67.3%
Description
A maliciously constructed svn+ssh:// URL would cause Subversion clients before 1.8.19, 1.9.x before 1.9.7, and 1.10.0.x through 1.10.0-alpha3 to run an arbitrary shell command. Such a URL could be generated by a malicious server, by a malicious user committing to a honest server (to attack another user of that server's repositories), or by a proxy server. The vulnerability affects all clients, including those that use file://, http://, and plain (untunneled) svn://.
How to fix CVE-2017-9800
To remediate CVE-2017-9800, upgrade the affected package to a fixed version below.
- —upgrade to 1.9.7-r0 or later
- —upgrade to 1.9.7-1 or later
- —upgrade to 1.6.17dfsg-4+deb7u12 or later
- —upgrade to 1.8.10-6+deb8u5 or later
Is CVE-2017-9800 being exploited?
Likely — EPSS is 67.3%, placing CVE-2017-9800 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (4)
- from 0, < 1.9.7-r0
- from 0, < 1.9.7-1
- from 0, < 1.6.17dfsg-4+deb7u12
- from 0, < 1.8.10-6+deb8u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |