Denial of service in freeDiameter



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6098
CWE-ID CWE-191
Exploitation vector Network
Public exploit N/A
Vulnerable software
 freeDiameter
Other software / Other software solutions

Vendor freediameter.net

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer underflow

EUVDB-ID: #VU32905

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-6098

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer underflow in the freeDiameterd functionality. A remote attacker can send a specially crafted Diameter request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

freeDiameter: 1.3.2

CPE2.3 External links

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1030


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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