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cve[email protected]CVE-2019-5597
HistoryMay 15, 2019 - 4:29 p.m.

CVE-2019-5597

2019-05-1516:29:00
CWE-20
[email protected]
web.nvd.nist.gov
45
2
cve-2019-5597
freebsd
ipv6
fragment reassembly
bug
security
nvd

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

0.136 Low

EPSS

Percentile

95.6%

JSON

In FreeBSD 11.3-PRERELEASE and 12.0-STABLE before r347591, 11.2-RELEASE before 11.2-RELEASE-p10, and 12.0-RELEASE before 12.0-RELEASE-p4, a bug in the pf IPv6 fragment reassembly logic incorrectly uses the last extension header offset from the last received packet instead of the first packet allowing maliciously crafted IPv6 packets to cause a crash or potentially bypass the packet filter.

Affected configurations

NVD
Node
freebsdfreebsdMatch11.2-
OR
freebsdfreebsdMatch11.2p2
OR
freebsdfreebsdMatch11.2p3
OR
freebsdfreebsdMatch11.2p4
OR
freebsdfreebsdMatch11.2p5
OR
freebsdfreebsdMatch11.2p6
OR
freebsdfreebsdMatch11.2p7
OR
freebsdfreebsdMatch11.2p9
OR
freebsdfreebsdMatch12.0-
OR
freebsdfreebsdMatch12.0p1
OR
freebsdfreebsdMatch12.0p3

CNA Affected

[
  {
    "product": "FreeBSD",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "FreeBSD 11.2 before 11.2-RELEASE-p10 and 12.0 before 12.0-RELEASE-p4"
      }
    ]
  }
]

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6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

0.136 Low

EPSS

Percentile

95.6%

JSON
Related for CVE-2019-5597
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