CVE-2020-16117
GNOME Evolution-Data-Server NULL Pointer Dereference Vulnerability
Description
In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.
INFO
Published Date :
July 29, 2020, 6:15 p.m.
Last Modified :
Aug. 11, 2020, 5:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2020-16117
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-16117.
| URL | Resource |
|---|---|
| https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5 | Patch Vendor Advisory |
| https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7 | Release Notes Vendor Advisory |
| https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 | Exploit Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-16117 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-16117 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Aug. 11, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H -
Modified Analysis by [email protected]
Aug. 11, 2020
Action Type Old Value New Value Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5 Patch, Third Party Advisory https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5 Patch, Vendor Advisory Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7 Patch, Third Party Advisory https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7 Release Notes, Vendor Advisory Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 Exploit, Third Party Advisory https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 Exploit, Vendor Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:gnome:evolution-data-server:*:*:*:*:*:*:*:* versions up to (excluding) 3.95.91 OR *cpe:2.3:a:gnome:evolution-data-server:*:*:*:*:*:*:*:* versions up to (excluding) 3.35.91 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 02, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 31, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5 No Types Assigned https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5 Patch, Third Party Advisory Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7 No Types Assigned https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7 Patch, Third Party Advisory Changed Reference Type https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 No Types Assigned https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 Exploit, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:gnome:evolution-data-server:*:*:*:*:*:*:*:* versions up to (excluding) 3.95.91
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-16117 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-16117
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.26 }} 0.03%
score
0.62295
percentile