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[email protected]CVE-2020-27725

HistoryDec 24, 2020 - 3:15 p.m.

CVE-2020-27725

2020-12-2415:15:12

CWE-401

[email protected]

web.nvd.nist.gov

cve-2020-27725

big-ip dns

gtm

link controller

memory leak

vulnerability

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.5%

JSON

In version 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2 of BIG-IP DNS, GTM, and Link Controller, zxfrd leaks memory when listing DNS zones. Zones can be listed via TMSH, iControl or SNMP; only users with access to those services can trigger this vulnerability.

Affected configurations

NVD

Node

f5big-ip_domain_name_systemRange11.6.1–11.6.5

f5big-ip_domain_name_systemRange12.1.0–12.1.5

f5big-ip_domain_name_systemRange13.1.0–13.1.3.5

f5big-ip_domain_name_systemRange14.1.0–14.1.3.1

f5big-ip_domain_name_systemRange15.0.0–15.1.1

f5big-ip_global_traffic_managerRange11.6.1–11.6.5

f5big-ip_global_traffic_managerRange12.1.0–12.1.5

f5big-ip_global_traffic_managerRange13.1.0–13.1.3.5

f5big-ip_global_traffic_managerRange14.1.0–14.1.3.1

f5big-ip_global_traffic_managerRange15.0.0–15.1.1

f5big-ip_link_controllerRange11.6.1–11.6.5

f5big-ip_link_controllerRange12.1.0–12.1.5

f5big-ip_link_controllerRange13.1.0–13.1.3.5

f5big-ip_link_controllerRange14.1.0–14.1.3.1

f5big-ip_link_controllerRange15.0.0–15.1.1

CPENameOperatorVersion
f5:big-ip_domain_name_systemf5 big-ip domain name systemle11.6.5
f5:big-ip_domain_name_systemf5 big-ip domain name systemle12.1.5
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt13.1.3.5
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt14.1.3.1
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt15.1.1
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerle11.6.5
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerle12.1.5
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerlt13.1.3.5
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerlt14.1.3.1
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerlt15.1.1

CPE	Name	Operator	Version
f5:big-ip_domain_name_system	f5 big-ip domain name system	le	11.6.5
f5:big-ip_domain_name_system	f5 big-ip domain name system	le	12.1.5
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	13.1.3.5
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	14.1.3.1
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	15.1.1
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	le	11.6.5
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	le	12.1.5
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	lt	13.1.3.5
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	lt	14.1.3.1
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	lt	15.1.1

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CNA Affected

[
  {
    "product": "BIG-IP DNS, GTM, and Link Controller",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2"
      }
    ]
  }
]

References

support.f5.com/csp/article/K25595031

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.5%

JSON

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