CVE-2017-17536

Description

Phabricator before 2017-11-10 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary code by using the web UI to browse a branch whose name begins with a --config= or --debugger= substring.

8.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.83% Top 30%

Vendor Advisory phabricator.com

Affected: n/a n/a

References

Link	Tags
https://hackerone.com/reports/288704	issue tracking third party advisory
https://secure.phabricator.com/T13012	issue tracking patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-17536?: CVE-2017-17536 has been scored as a high severity vulnerability.
How to fix CVE-2017-17536?: To fix CVE-2017-17536, 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-2017-17536 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-17536 is being actively exploited. 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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