Vulnerability Details : CVE-2022-26498
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.
Products affected by CVE-2022-26498
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Threat overview for CVE-2022-26498
Top countries where our scanners detected CVE-2022-26498
Top open port discovered on systems with this issue
443
IPs affected by CVE-2022-26498 15,521
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2022-26498!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2022-26498
5.74%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-26498
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-26498
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-26498
-
http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html
Asterisk Project Security Advisory - AST-2022-001 ≈ Packet StormPatch;Third Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
[SECURITY] [DLA 3194-1] asterisk security updateMailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/172139/Shannon-Baseband-chatroom-SDP-Attribute-Memory-Corruption.html
Shannon Baseband chatroom SDP Attribute Memory Corruption ≈ Packet Storm
-
https://downloads.asterisk.org/pub/security/
Index of /pub/securityVendor Advisory
-
https://downloads.asterisk.org/pub/security/AST-2022-001.html
AST-2022-001Patch;Vendor Advisory
-
https://www.debian.org/security/2022/dsa-5285
Debian -- Security Information -- DSA-5285-1 asteriskThird Party Advisory
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