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freebsdFreeBSD1BB2826B-7229-11EB-8386-001999F8D30B
HistoryFeb 08, 2021 - 12:00 a.m.

asterisk -- Remote Crash Vulnerability in PJSIP channel driver

2021-02-0800:00:00
vuxml.freebsd.org
10
asterisk
remote sip server
unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.0%

The Asterisk project reports:

Given a scenario where an outgoing call is placed from
Asterisk to a remote SIP server it is possible for a crash
to occur.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchasterisk13< 13.38.2UNKNOWN
FreeBSDanynoarchasterisk16< 16.16.1UNKNOWN
FreeBSDanynoarchasterisk18< 18.2.1UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.0%