CVE-2020-8036 str2tokbuf used incorrectly by print-someip.c
An out-of-bounds read in the SOME/IP dissector allows attackers to cause a crash or potentially execute code via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8036?
CVE-2020-8036 is a high-severity memory corruption vulnerability in Tcpdump Tcpdump, published on 4 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.
Weakness: CWE-125
Which versions are affected by CVE-2020-8036?
It affects 1 product.
Products include Tcpdump Tcpdump.
How do I fix CVE-2020-8036?
No fix has been published for CVE-2020-8036 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-8036 being exploited?
There is no known exploitation of CVE-2020-8036 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as GHSA-ff33-26cm-5cp4.