CVE-2019-10691
Dovecot UTF-8 Sequence Authentication Crash
Description
The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.
INFO
Published Date :
April 24, 2019, 5:29 p.m.
Last Modified :
Nov. 7, 2023, 3:02 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2019-10691.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2019/04/18/3 | Mailing List Third Party Advisory |
| https://dovecot.org/list/dovecot-news/2019-April/000406.html | Mailing List Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ | |
| https://security.gentoo.org/glsa/201908-29 |
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-2019-10691 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-10691 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-287 NVD-CWE-noinfo -
CVE Modified by [email protected]
Aug. 31, 2019
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201908-29 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 12, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ [No Types Assigned] -
Modified Analysis by [email protected]
May. 06, 2019
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 02, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://dovecot.org/list/dovecot-news/2019-April/000406.html No Types Assigned https://dovecot.org/list/dovecot-news/2019-April/000406.html Mailing List, Vendor Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2019/04/18/3 No Types Assigned http://www.openwall.com/lists/oss-security/2019/04/18/3 Mailing List, Third Party Advisory Added CWE CWE-287 Added CPE Configuration OR *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-10691 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-2019-10691
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.45 }} 0.01%
score
0.75717
percentile