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[email protected]CVE-2020-5926

HistoryAug 26, 2020 - 4:15 p.m.

CVE-2020-5926

2020-08-2616:15:12

CWE-404

[email protected]

web.nvd.nist.gov

big-ip

vulnerability

memory caching

sip alg

cve-2020-5926

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.6%

JSON

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, and 14.1.0-14.1.2.6, a BIG-IP virtual server with a Session Initiation Protocol (SIP) ALG profile, parsing SIP messages that contain a multi-part MIME payload with certain boundary strings can cause TMM to free memory to the wrong cache.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange14.1.0–14.1.2.7

f5big-ip_access_policy_managerRange15.0.0–15.0.1.4

f5big-ip_access_policy_managerRange15.1.0–15.1.0.5

f5big-ip_advanced_firewall_managerRange14.1.0–14.1.2.7

f5big-ip_advanced_firewall_managerRange15.0.0–15.0.1.4

f5big-ip_advanced_firewall_managerRange15.1.0–15.1.0.5

f5big-ip_analyticsRange14.1.0–14.1.2.7

f5big-ip_analyticsRange15.0.0–15.0.1.4

f5big-ip_analyticsRange15.1.0–15.1.0.5

f5big-ip_application_acceleration_managerRange14.1.0–14.1.2.7

f5big-ip_application_acceleration_managerRange15.0.0–15.0.1.4

f5big-ip_application_acceleration_managerRange15.1.0–15.1.0.5

f5big-ip_application_security_managerRange14.1.0–14.1.2.7

f5big-ip_application_security_managerRange15.0.0–15.0.1.4

f5big-ip_application_security_managerRange15.1.0–15.1.0.5

f5big-ip_domain_name_systemRange14.1.0–14.1.2.7

f5big-ip_domain_name_systemRange15.0.0–15.0.1.4

f5big-ip_domain_name_systemRange15.1.0–15.1.0.5

f5big-ip_fraud_protection_serviceRange14.1.0–14.1.2.7

f5big-ip_fraud_protection_serviceRange15.0.0–15.0.1.4

f5big-ip_fraud_protection_serviceRange15.1.0–15.1.0.5

f5big-ip_global_traffic_managerRange14.1.0–14.1.2.7

f5big-ip_global_traffic_managerRange15.0.0–15.0.1.4

f5big-ip_global_traffic_managerRange15.1.0–15.1.0.5

f5big-ip_link_controllerRange14.1.0–14.1.2.7

f5big-ip_link_controllerRange15.0.0–15.0.1.4

f5big-ip_link_controllerRange15.1.0–15.1.0.5

f5big-ip_local_traffic_managerRange14.1.0–14.1.2.7

f5big-ip_local_traffic_managerRange15.0.0–15.0.1.4

f5big-ip_local_traffic_managerRange15.1.0–15.1.0.5

f5big-ip_policy_enforcement_managerRange14.1.0–14.1.2.7

f5big-ip_policy_enforcement_managerRange15.0.0–15.0.1.4

f5big-ip_policy_enforcement_managerRange15.1.0–15.1.0.5

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt14.1.2.7
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.0.1.4
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.1.0.5
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt14.1.2.7
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt15.0.1.4
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt15.1.0.5
f5:big-ip_analyticsf5 big-ip analyticslt14.1.2.7
f5:big-ip_analyticsf5 big-ip analyticslt15.0.1.4
f5:big-ip_analyticsf5 big-ip analyticslt15.1.0.5
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerlt14.1.2.7

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	14.1.2.7
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.0.1.4
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.1.0.5
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	14.1.2.7
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	15.0.1.4
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	15.1.0.5
f5:big-ip_analytics	f5 big-ip analytics	lt	14.1.2.7
f5:big-ip_analytics	f5 big-ip analytics	lt	15.0.1.4
f5:big-ip_analytics	f5 big-ip analytics	lt	15.1.0.5
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	lt	14.1.2.7

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CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6"
      }
    ]
  }
]

References

support.f5.com/csp/article/K42830212

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.6%

JSON

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