PT-2020-14758 · Gnome+1 · Gnome Balsa+1

Published 2020-07-29 · Updated 2023-02-03 · CVE-2020-16118

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GNOME Balsa versions prior to 2.6.0

Description 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. This issue can be exploited to cause a client crash.

Recommendations For versions prior to 2.6.0, update to version 2.6.0 or later to resolve the issue. As a temporary workaround, consider restricting access to untrusted servers to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-16118

OPENSUSE-SU-2020:1207-1

OPENSUSE-SU-2020:1230-1

OPENSUSE-SU-2020_1207-1

Affected Products

Gnome Balsa

Suse

References · 18

• 🔥 https://gitlab.gnome.org/GNOME/balsa/-/issues/23 · Exploit
• https://ubuntu.com/security/CVE-2020-16118 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-16118 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00035.html · Vendor Advisory
• https://gitlab.gnome.org/GNOME/balsa/-/commit/4e245d758e1c826a01080d40c22ca8706f0339e5 · Patch
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00045.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-16118 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:1207-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16118 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-16118 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2020:1230-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-16118 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-16118 · Security Note
• https://suse.com/security/cve/CVE-2020-16118 · Note
• https://lists.opensuse.org/archives/list/[e-mail]/thread/TLMB6UYCF5DG3PISE5IH2ZBW6RUI2RI3 · Note