CVE-2017-11747

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a "kill `cat /run/tinyproxy/tinyproxy.pid`" command.
Overview
  • CVE ID
  • CVE-2017-11747
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-07-30T16:29:00
  • Last Modified Date
  • 2020-03-31T15:15:14
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* 1 OR 1.8.4
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/tinyproxy/tinyproxy/issues/106 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00037.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-11747
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11747
History
Created Old Value New Value Data Type Notes
2022-05-10 16:45:48 Added to TrackCVE
2022-12-02 19:11:12 2017-07-30T16:29Z 2017-07-30T16:29:00 CVE Published Date updated
2022-12-02 19:11:12 2020-03-31T15:15:14 CVE Modified Date updated
2022-12-02 19:11:12 Modified Vulnerability Status updated