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CVE-2017-18026

Date: January 10, 2018

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.

Language: Ruby

Severity Score

Related Resources (10)

https://www.redmine.org/issues/27516
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-18026
https://nvd.nist.gov/vuln/detail/CVE-2017-18026
https://www.debian.org/security/2018/dsa-4191
https://github.com/redmine/redmine/commit/9d797400eaec5f9fa7ba9507c82d9c18cb91d02e
https://github.com/redmine/redmine/commit/58ed8655136ff2fe5ff7796859bf6a399c76c678
https://www.redmine.org/projects/redmine/wiki/Security_Advisories
https://github.com/redmine/redmine/commit/ca87bf766cdc70179cb2dce03015d78ec9c13ebd
https://security-tracker.debian.org/tracker/CVE-2017-18026
https://www.mend.io/vulnerability-database/CVE-2017-18026

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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