CVE-2023-1801 Memory corruption in tcpdump
An out-of-bounds write in tcpdump's SMB decoder allows attackers to execute code or cause denial of service via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-1801?
CVE-2023-1801 is a medium-severity memory corruption vulnerability in Tcpdump Tcpdump, published on 7 Apr 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.
Weakness: CWE-787
Which versions are affected by CVE-2023-1801?
It affects 1 product.
Linux distribution packages (1)
tcpdump openSUSE:Tumbleweed | All versions | 4.99.4-1.1 |
Products include Tcpdump Tcpdump.
How do I fix CVE-2023-1801?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-1801 being exploited?
There is no known exploitation of CVE-2023-1801 in the wild and no public exploit code.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as DEBIAN-CVE-2023-1801, GHSA-44xc-f95p-5vmh, MGASA-2023-0154, OESA-2023-1243, OESA-2023-1244, openSUSE-SU-2024:12850-1.