CVE-2020-15917
Claws Mail STARTTLS Protocol Violation
Description
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
INFO
Published Date :
July 23, 2020, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:17 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-15917
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-2020-15917.
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-2020-15917 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15917 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 [No types assigned] Added Reference MITRE https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ [No types assigned] Removed Reference MITRE https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES Removed Reference MITRE https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ -
Modified Analysis by [email protected]
Nov. 16, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html Broken Link, Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html Broken Link, Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html Broken Link, Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html Broken Link, Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202007-56 No Types Assigned https://security.gentoo.org/glsa/202007-56 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* *cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 03, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 18, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 27, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 03, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 02, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 31, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 28, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202007-56 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES No Types Assigned https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES Release Notes, Vendor Advisory Changed Reference Type https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 No Types Assigned https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 Mailing List, Patch, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:* versions up to (excluding) 3.17.6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15917 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-2020-15917
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.30 }} 0.16%
score
0.85938
percentile