Heap-based buffer overflow in Tcpreplay - CVE-2020-24265

Vulnerability identifier: #VU53694

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-24265

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: AppNeta

Affected software:
Tcpreplay

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

The vulnerability exists due to a boundary error within the MemcmpInterceptorCommon() function in tcpprep. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and crash the application.

Install updates from vendor's website.

• https://github.com/appneta/tcpreplay/issues/616
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EA7K7VKDK2K3SY2DHQQYSCBGZLKPWXJ4/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M623ONZKOZL5Y7XQNHKXEPV76XYCPXQM/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LC3UMBJFBK5HYUX7H2NGXVFI2I2EMAOF/
• https://security.gentoo.org/glsa/202105-21