CVE-2022-27940 Memory corruption in n/a
A heap-based buffer over-read in Tcpreplay allows attackers to cause denial of service or disclose sensitive memory contents via crafted IPv6 packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-27940?
CVE-2022-27940 is a high-severity memory corruption vulnerability in Broadcom Tcpreplay, published on 26 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
tcprewrite in Tcpreplay 4.4.1 has a heap-based buffer over-read in get_ipv6_next in common/get.c.
Weakness: CWE-125
Which versions are affected by CVE-2022-27940?
It affects 2 products.
Products include Broadcom Tcpreplay, Fedoraproject Fedora.
How do I fix CVE-2022-27940?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-27940 being exploited?
There is no known exploitation of CVE-2022-27940 in the wild and no public exploit code.
Other vulnerabilities in Broadcom Tcpreplay
Sources
Also known as DEBIAN-CVE-2022-27940, GHSA-f553-xh7g-ffm9.