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freebsdFreeBSD22B90FE6-258E-11E9-9C8D-6805CA0B3D42
HistoryJan 02, 2019 - 12:00 a.m.

p5-Email-Address-List -- DDoS related vulnerability

2019-01-0200:00:00
vuxml.freebsd.org
20

CVSS2

5

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

CVSS3

7.5

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

EPSS

0.012

Percentile

85.5%

Best PRactical Solutions reports:

0.06 2019-01-02

  • Changes to address CVE-2018-18898 which could allow DDoS-type attacks.
    Thanks to Lukas Kramer for reporting the issue and Alex Vandiver for
    contributing fixes.
    • Fix pathological backtracking for unkown regex
    • Fix pathological backtracking in obs-phrase(i.e. obs-display-name)
    • Fix pathological backtracking in cfws, quoted strings
OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchp5-email-address-list< 0.06UNKNOWN

CVSS2

5

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

CVSS3

7.5

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

EPSS

0.012

Percentile

85.5%