CVE-2018-1000879 Null dereference in n/a
A NULL pointer dereference in libarchive's ACL parser allows attackers to cause a denial of service by tricking users into opening a specially crafted archive file.
- 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-2018-1000879?
CVE-2018-1000879 is a medium-severity vulnerability in Fedoraproject Fedora, published on 20 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
libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive file.
Weakness: CWE-476
Which versions are affected by CVE-2018-1000879?
It affects 3 products.
Products include Fedoraproject Fedora, Libarchive Libarchive, Opensuse Leap.
How do I fix CVE-2018-1000879?
Upgrade to a fixed version.
Is CVE-2018-1000879 being exploited?
There is no known exploitation of CVE-2018-1000879 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2018-1000879, GHSA-7pgj-273w-w98j.