High severity · published Jan 10, 2018
CVE-2017-18026
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…
8.8
CVSS
2.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
RE
Redmine · Redmine
before 3.2.9; 3.3.0 before 3.3.6; 3.4.0 before 3.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-18026
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-18026
Patch
https://github.com/redmine/redmine/commit/58ed8655136ff2fe5ff7796859bf6a399c76c678
Patch
https://github.com/redmine/redmine/commit/9d797400eaec5f9fa7ba9507c82d9c18cb91d02e
Patch
https://github.com/redmine/redmine/commit/ca87bf766cdc70179cb2dce03015d78ec9c13ebd
Third Party Advisory
https://www.debian.org/security/2018/dsa-4191
Permissions Required
https://www.redmine.org/issues/27516
Vendor Advisory
https://www.redmine.org/projects/redmine/wiki/Security_Advisories
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