CVE-2017-17459

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.

8.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.20% Top 25%

Vendor Advisory fedoraproject.org Vendor Advisory fossil-scm.org Vendor Advisory fossil-scm.org

Affected: n/a n/a

References

Link	Tags
https://www.fossil-scm.org/xfer/info/1f63db591c77108c	patch vendor advisory
https://www.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4	release notes vendor advisory
https://bugzilla.opensuse.org/show_bug.cgi?id=1071709	issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLAFCQGE7C5UMX75LESNUMKTXTURUVQM/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-17459?: CVE-2017-17459 has been scored as a high severity vulnerability.
How to fix CVE-2017-17459?: To fix CVE-2017-17459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17459 being actively exploited in the wild?: It is possible that CVE-2017-17459 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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