A vulnerability, which was classified as critical, has been found in tcpreplay 3.4.4. This issue affects some unknown processing of the component tcprewrite. The manipulation as part of a PCAP File leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

tcprewrite in Tcpreplay 3.4.4 has a Heap-Based Buffer Overflow vulnerability triggered by a crafted PCAP file.

The bug was discovered 09/11/2017. The weakness was disclosed 09/12/2017 as EDB-ID 42652 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2017-14266 since 09/11/2017. Attacking locally is a requirement. Required for exploitation is a simple authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42652).

Productinfo

Name

• tcpreplay

Version

• 3.4.4

License

• open-source

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