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[email protected]NVD:CVE-2022-26498

HistoryApr 15, 2022 - 5:15 a.m.

CVE-2022-26498

2022-04-1505:15:06

CWE-400

[email protected]

web.nvd.nist.gov

asterisk

stir/shaken

resource exhaustion

cve-2022-26498

CVSS2

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

0.041

Percentile

92.2%

JSON

An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files that are not certificates. These files could be much larger than what one would expect to download, leading to Resource Exhaustion. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

Affected configurations

Nvd

Node

digiumasteriskRange16.15.0–16.25.1

digiumasteriskRange18.0–18.11.2

digiumasteriskRange19.0.0–19.3.1

Node

debiandebian_linuxMatch10.0

debiandebian_linuxMatch11.0

VendorProductVersionCPE
digiumasterisk*cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
digium	asterisk	*	cpe:2.3:a:digium:asterisk::::::::
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
debian	debian_linux	11.0	cpe:2.3:o:debian:debian_linux:11.0:::::::*