#VU68401 Out-of-bounds read in Tcpreplay - CVE-2022-27941

Vulnerability identifier: #VU68401

Vulnerability 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-2022-27941

CWE-ID: CWE-125

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 heap-based buffer over-read within the get_l2len_protocol() function in common/get.c in tcprewrite. A remote attacker can perform a denial of service attack.

Mitigation
Install update 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/716
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.