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veracodeVeracode Vulnerability DatabaseVERACODE:38458
HistoryDec 13, 2022 - 11:44 p.m.

Denial Of Service (DoS)

2022-12-1323:44:04
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
14

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.0%

asterisk is vulnerable to Denial Of Service (DoS). The vulnerability exists due to the use after free in res_pjsip_pubsub.c, allowing an attacker to crash the application by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.0%