An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in get_l2len() that can make tcpprep crash and cause a denial of service.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in     get_l2len() that can make tcpprep crash and cause a denial of service. (CVE-2020-24266)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5205-1 advisory.

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input when     processed by tcpprep. An attacker could possibly use this issue to cause a denial of service. This issue     only affected Ubuntu 18.04 ESM. (CVE-2018-13112)

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input. An     attacker could possibly use this issue to cause a denial of service or expose sensitive information. This     issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2018-17580, CVE-2018-17582)

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input. An     attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04     ESM and Ubuntu 18.04 ESM. (CVE-2018-17974, CVE-2018-18407)

    It was discovered that a use-after-free existed in Tcpreplay in the tcpbridge binary. An attacker could     possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 ESM and Ubuntu     18.04 ESM. (CVE-2018-18408)

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input. An     attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04     ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2018-20552, CVE-2018-20553)

    It was discovered that a heap-based buffer over-read that existed in Tcpreplay caused an application crash     when tcprewrite or tcpreplay-edit received specially crafted packet capture input. An attacker could     possibly use this to cause a denial of service or to expose sensitive information. This issue only     affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12740)

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input when     processed by tcpprep. An attacker could possibly use this issue to cause a denial of service. This issue     only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-24265, CVE-2020-24266)

    It was discovered that Tcpreplay incorrectly handled certain specially crafted packet capture input when     processed by tcprewrite. An attacker could possibly use this issue to cause a denial of service. This     issue only affected Ubuntu 22.04 ESM. (CVE-2022-27416)

    It was discovered that Tcpreplay did not properly manage memory under certain circumstances. If a user     were tricked into opening a specially crafted packet capture file, a remote attacker could possibly use     this issue to cause Tcpreplay crash, resulting in a denial of service, or possibly read sensitive data.
    This issue only affected Ubuntu 18.04 ESM, Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2022-28487)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-202105-21 (Tcpreplay: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Tcpreplay. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could entice a user to open a specially crafted       network capture file using Tcpreplay, possibly resulting in a Denial of       Service condition.
  Workaround :

    There is no known workaround at this time.

Patch CVE-2020-24265 and CVE-2020-24266.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
229908	Linux Distros Unpatched Vulnerability : CVE-2020-24266	Nessus	Misc.	high
183169	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 ESM : Tcpreplay vulnerabilities (USN-5205-1)	Nessus	Ubuntu Local Security Checks	critical
156999	GLSA-202105-21 : Tcpreplay: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
142051	Fedora 33 : tcpreplay (2020-c50d8b980b)	Nessus	Fedora Local Security Checks	high
142047	Fedora 31 : tcpreplay (2020-e45cf8ea43)	Nessus	Fedora Local Security Checks	high
142045	Fedora 32 : tcpreplay (2020-0e036c907e)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2020-24266

high

Tenable Plugins

high

critical

high

high

high

high