#VU68411 Out-of-bounds write in Tcpreplay - CVE-2022-37048

Vulnerability identifier: #VU68411

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-37048

CWE-ID: CWE-787

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 compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the get_l2len_protocol() function in common/get.c in tcprewrite. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tcpreplay: 4.3.0 beta1 - 4.4.1

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External links
https://github.com/appneta/tcpreplay/issues/735
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ECRCFJ6X3IVB7BT4KS6AHQMSL532YXYD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5B75AFRJUGOYHCFG2ZV2JKSUPA6MSCT5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWRZO7BG6DHA5NAC3COB45WFXLYRIERC/
https://security.gentoo.org/glsa/202210-08

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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.