CVE-2017-12132

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.
Overview
  • CVE ID
  • CVE-2017-12132
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-08-01T16:29:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-770 http://cwe.mitre.org/data/definitions/770.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* 1 OR 2.25
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • 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:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=21361 Issue Tracking Patch Third Party Advisory
https://arxiv.org/pdf/1205.4011.pdf Technical Description Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0805
http://www.securityfocus.com/bid/100598
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-12132
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12132
History
Created Old Value New Value Data Type Notes
2022-05-10 17:21:03 Added to TrackCVE
2022-12-02 19:15:57 2017-08-01T16:29Z 2017-08-01T16:29:00 CVE Published Date updated
2022-12-02 19:15:57 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-02 19:15:57 Modified Vulnerability Status updated