Vulnerability identifier: #VU87649

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-43279

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Tcpreplay
Client/Desktop applications / Other client software

Vendor: AppNeta

Description

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

The vulnerability exists due to a NULL pointer dereference error within the mask_cidr6 component in cidr.c. A remote attacker can trigger denial of service conditions via crafted tcprewrite command.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Tcpreplay: 4.4.3 - 4.4.4

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External links
http://github.com/appneta/tcpreplay/issues/824
http://github.com/GabrielGanne/tcpreplay/commit/a0b6d847f468217b8fd675f788e6eca74a21a90c

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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.