Multiple DoS vulnerabilities in Tcpreplay

Published: 2022-10-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-45387 CVE-2021-45386
CWE-ID	CWE-617
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Tcpreplay Client/Desktop applications / Other client software
Vendor	AppNeta

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Reachable Assertion

EUVDB-ID: #VU68396

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-45387

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion within the add_tree_ipv4() function in tree.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Tcpreplay: 4.3.0 - 4.3.4

External links

http://github.com/appneta/tcpreplay/issues/687

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.

2) Reachable Assertion

EUVDB-ID: #VU68395