CVE-2017-18026
HIGH severity · CVSS 8.8
8.8CVSS HIGH
Summary
Redmine before 3.2.9, 3.3.x before 3.3.6, and 3.4.x before 3.4.4 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary commands (through the Mercurial adapter) via vectors involving a branch whose name begins with a --config= or --debugger= substring, a related issue to CVE-2017-17536.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/redmine/redmine/commit/58ed8655136ff2fe5ff7796859bf6a399c76c678 ↗
Additional information
- NVD record
- https://github.com/redmine/redmine/commit/58ed8655136ff2fe5ff7796859bf6a399c76c678Patch
- https://github.com/redmine/redmine/commit/9d797400eaec5f9fa7ba9507c82d9c18cb91d02ePatch
- https://github.com/redmine/redmine/commit/ca87bf766cdc70179cb2dce03015d78ec9c13ebdPatch
- https://www.redmine.org/projects/redmine/wiki/Security_AdvisoriesAdvisory
- https://www.debian.org/security/2018/dsa-4191Advisory
- https://www.redmine.org/issues/27516