CVE-2021-29157
Dovecot OAuth2 Path Traversal Vulnerability
Description
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.
INFO
Published Date :
June 28, 2021, 12:15 p.m.
Last Modified :
Nov. 7, 2023, 3:32 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.8
Exploitability Score :
1.1
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-2021-29157.
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-2021-29157 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29157 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/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ -
Modified Analysis by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202107-41 No Types Assigned https://security.gentoo.org/glsa/202107-41 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions from (including) 2.3.11 up to (excluding) 2.3.15 OR *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions from (including) 2.3.11 up to (excluding) 2.3.14.1 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 18, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-41 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 05, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://dovecot.org/security No Types Assigned https://dovecot.org/security Vendor Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/06/28/1 No Types Assigned https://www.openwall.com/lists/oss-security/2021/06/28/1 Mailing List, Third Party Advisory Added CWE NIST CWE-22 Added CPE Configuration OR *cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions from (including) 2.3.11 up to (excluding) 2.3.15
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29157 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-2021-29157
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14464
percentile