CVE-2018-1172

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. Was ZDI-CAN-6088.
Overview
  • CVE ID
  • CVE-2018-1172
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-05-16T21:29:00
  • Last Modified Date
  • 2019-10-09T23:38:13
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:squid-cache:squid:3.5.27:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://zerodayinitiative.com/advisories/ZDI-18-309 Third Party Advisory VDB Entry
http://www.squid-cache.org/Advisories/SQUID-2018_3.txt Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-1172
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1172
History
Created Old Value New Value Data Type Notes
2022-05-10 17:05:02 Added to TrackCVE
2022-12-03 06:16:07 2018-05-16T21:29Z 2018-05-16T21:29:00 CVE Published Date updated
2022-12-03 06:16:07 2019-10-09T23:38:13 CVE Modified Date updated
2022-12-03 06:16:07 Modified Vulnerability Status updated