CVE-2020-12658
Gssproxy Deadlock
Description
gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.
INFO
Published Date :
Dec. 31, 2020, 1:15 a.m.
Last Modified :
Aug. 4, 2024, 12:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-12658
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-2020-12658.
| URL | Resource |
|---|---|
| https://github.com/gssapi/gssproxy/commit/cb761412e299ef907f22cd7c4146d50c8a792003 | Patch Third Party Advisory |
| https://github.com/gssapi/gssproxy/compare/v0.8.2...v0.8.3 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/01/msg00004.html | Mailing List Third Party Advisory |
| https://pagure.io/gssproxy/c/cb761412e299ef907f22cd7c4146d50c8a792003?branch=master | 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-2020-12658 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-12658 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]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem." gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem. -
Modified Analysis by [email protected]
Feb. 08, 2021
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 06, 2021
Action Type Old Value New Value Changed Description gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. ** DISPUTED ** gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem." -
Initial Analysis by [email protected]
Jan. 05, 2021
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://github.com/gssapi/gssproxy/commit/cb761412e299ef907f22cd7c4146d50c8a792003 No Types Assigned https://github.com/gssapi/gssproxy/commit/cb761412e299ef907f22cd7c4146d50c8a792003 Patch, Third Party Advisory Changed Reference Type https://github.com/gssapi/gssproxy/compare/v0.8.2...v0.8.3 No Types Assigned https://github.com/gssapi/gssproxy/compare/v0.8.2...v0.8.3 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/01/msg00004.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/01/msg00004.html Mailing List, Third Party Advisory Changed Reference Type https://pagure.io/gssproxy/c/cb761412e299ef907f22cd7c4146d50c8a792003?branch=master No Types Assigned https://pagure.io/gssproxy/c/cb761412e299ef907f22cd7c4146d50c8a792003?branch=master Third Party Advisory Added CWE NIST CWE-667 Added CPE Configuration OR *cpe:2.3:a:gssproxy_project:gssproxy:*:*:*:*:*:*:*:* versions up to (excluding) 0.8.3 -
CVE Modified by [email protected]
Jan. 04, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00004.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-12658 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-2020-12658
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.97 }} -0.03%
score
0.83771
percentile