CVE-2017-17459

high
Published 2017-12-07 · Modified 2026-05-13
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
9.3
VIR risk
8.8

Description

http_transport.c in Fossil before 2.4, when the SSH sync protocol is used, allows user-assisted remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-14176, CVE-2017-16228, CVE-2017-1000116, and CVE-2017-1000117.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-17459

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-17459.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.fossil-scm.org/xfer/info/1f63db591c77108c

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed1:2.4-1
debian debianbullseyefixed1:2.4-1
debian debiansidfixed1:2.4-1
debian debiantrixiefixed1:2.4-1

Application impact

VendorProductVersionsFixed
fossil_scmfossil{"endExcluding":"2.4"}2.4

References

Verify integrity in audit chain (admin only). AS-IS.