CVE-2018-20430 Memory corruption in n/a
An out-of-bounds read in GNU Libextractor allows attackers to cause denial of service or disclose sensitive memory contents via crafted OLE2 files.
- 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-2018-20430?
CVE-2018-20430 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 24 Dec 2018. 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
GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.
Weakness: CWE-125
Which versions are affected by CVE-2018-20430?
It affects 2 products.
Products include Debian Debian Linux, Gnu Libextractor.
How do I fix CVE-2018-20430?
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-2018-20430 being exploited?
There is no known exploitation of CVE-2018-20430 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-20430, GHSA-5hcf-wqrv-xp63, UBUNTU-CVE-2018-20430.