What is CVE-2017-17536?

CVE-2017-17536 is a high-severity vulnerability in Phacility Phabricator. CVSS score: 8.8/10. Published 2017-12-11.

How severe is CVE-2017-17536?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Phacility Phabricator

CVE-2017-17536

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.

EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Phacility Phabricator
N/a — versions n/a

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-17536?: CVE-2017-17536 is a high-severity vulnerability in Phacility Phabricator. CVSS score: 8.8/10. Published 2017-12-11.
How severe is CVE-2017-17536?: High severity. CVSS v3 base score is 8.8 out of 10.