High severity · published Jul 29, 2020
CVE-2020-16118
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…
7.5
CVSS
2.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BS
Backports Sle · Opensuse
15.0 · source: NVD
BA
Balsa · Gnome
before 2.6.0 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-16118
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-16118
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00035.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00045.html
Patch
https://gitlab.gnome.org/GNOME/balsa/-/commit/4e245d758e1c826a01080d40c22ca8706f0339e5
Exploit
https://gitlab.gnome.org/GNOME/balsa/-/issues/23
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