CVE-2017-17536
HighSummary
Phabricator before 2017-11-10 does not block the --config and --debugger flags to the Mercurial hg program, allowing remote attackers to execute arbitrary code by using the web UI to browse a branch whose name begins with --config= or --debugger=.
Risk Assessment
An attacker can exploit this vulnerability to execute arbitrary code remotely, potentially leading to system compromise and data loss.
Recommendation
It is recommended to update Phabricator to a version after 2017-11-10 to block the use of dangerous flags in Mercurial hg.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

