SARA / Free Tools / CVE / CVE-2017-17459

CVE-2017-17459 — http_transport

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

CVSS
9.3 CISA
EPSS
1.56% (top 18.40%)
CWE
—
Published
2017-12-07T18:29:00.250
Last modified
2026-05-13T00:24:29.033
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2017-9800
Cited in vendor advisory
CVE-2017-12836
Cited in vendor advisory
CVE-2017-12976
Cited in vendor advisory
CVE-2017-14176
Cited in vendor advisory
CVE-2017-16228
Cited in vendor advisory
CVE-2017-1000116
Cited in vendor advisory

08Timeline

09References

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