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CVE-2017-17459

8.8 · HIGH

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 h…

Published Dec 7, 2017EPSS 3.17%

Overview

CVE-2017-17459 is a high-severity vulnerability. It was published on December 7, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.opensuse.org/show_bug.cgi?id=1071709Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLAFCQGE7C5UMX75LESNUMKTXTURUVQM/Refwww.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4Refwww.fossil-scm.org/xfer/info/1f63db591c77108cRefbugzilla.opensuse.org/show_bug.cgi?id=1071709Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLAFCQGE7C5UMX75LESNUMKTXTURUVQM/Refwww.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4Refwww.fossil-scm.org/xfer/info/1f63db591c77108c

How CyberStrike helps

Frequently asked questions

What is CVE-2017-17459?

CVE-2017-17459 is a high-severity vulnerability. It was published on December 7, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2017-17459?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-17459?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-17459?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-17459 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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