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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

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

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

45.6%

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

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

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

45.6%

JSON

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