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[email protected]CVE-2019-6596

HistoryMar 13, 2019 - 10:29 p.m.

CVE-2019-6596

2019-03-1322:29:00

[email protected]

web.nvd.nist.gov

cve-2019-6596

big-ip

dtls

fragmented

clienthello

memory corruption

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

0.001 Low

EPSS

Percentile

45.7%

JSON

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when processing fragmented ClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange11.5.1–11.5.8

f5big-ip_access_policy_managerRange11.6.1–11.6.3

f5big-ip_access_policy_managerRange12.1.0–12.1.3

f5big-ip_access_policy_managerRange13.0.0–13.1.1

f5big-ip_access_policy_managerMatch14.0.0

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerle11.5.8
f5:big-ip_access_policy_managerf5 big-ip access policy managerle11.6.3
f5:big-ip_access_policy_managerf5 big-ip access policy managerle12.1.3
f5:big-ip_access_policy_managerf5 big-ip access policy managerle13.1.1
f5:big-ip_access_policy_managerf5 big-ip access policy managereq14.0.0

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	11.5.8
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	11.6.3
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	12.1.3
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	13.1.1
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	eq	14.0.0

CNA Affected

[
  {
    "product": "BIG-IP (APM)",
    "vendor": "F5 Networks, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, 11.5.1-11.5.8"
      }
    ]
  }
]

References

www.securityfocus.com/bid/107403

support.f5.com/csp/article/K97241515

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

0.001 Low

EPSS

Percentile

45.7%

JSON

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