CVE-2020-16118 Null dereference in n/a
A malicious server or man-in-the-middle can crash the Balsa email client by sending a specific IMAP response, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-16118?
CVE-2020-16118 is a high-severity vulnerability in Opensuse Backports Sle, published on 29 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.
Weakness: CWE-476
Which versions are affected by CVE-2020-16118?
It affects 3 products.
Linux distribution packages (2)
balsa SUSE:Package Hub 15 SP1 | All versions | 2.5.5-bp151.4.3.1 |
balsa openSUSE:Leap 15.1 | All versions | 2.5.5-lp151.3.3.1 |
Products include Gnome Balsa, Opensuse Backports Sle, Opensuse Leap.
How do I fix CVE-2020-16118?
Upgrade to a fixed version.
Is CVE-2020-16118 being exploited?
There is no known exploitation of CVE-2020-16118 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Backports Sle
Sources
Also known as DEBIAN-CVE-2020-16118, GHSA-c2wx-fcx5-8pm2, UBUNTU-CVE-2020-16118, openSUSE-SU-2020:1207-1, openSUSE-SU-2020:1230-1.