CVE-2018-18508
NSS Null Pointer Denial of Service
Description
In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.
INFO
Published Date :
Oct. 22, 2020, 9:15 p.m.
Last Modified :
Feb. 18, 2021, 3:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2018-18508 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2018-18508
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-2018-18508.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf | Third Party Advisory |
| https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes | Release Notes Vendor Advisory |
| https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes | Release Notes Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 | Third Party Advisory US Government Resource |
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-18508 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-18508 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 -
Modified Analysis by [email protected]
Feb. 18, 2021
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf Third Party Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 Third Party Advisory, US Government Resource Changed CPE Configuration OR *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions up to (excluding) 3.36.7 *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions from (including) 3.40.0 up to (excluding) 3.41.1 OR *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions up to (excluding) 3.36.7 *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions from (including) 3.41 up to (excluding) 3.41.1 Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_mx5000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_mx5000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1501_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1501:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1510_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1510:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1511_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1511:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx1512_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx1512:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rox_rx5000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.0 OR cpe:2.3:h:siemens:ruggedcom_rox_rx5000:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 12, 2021
Action Type Old Value New Value Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 09, 2021
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 30, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes No Types Assigned https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes Release Notes, Vendor Advisory Changed Reference Type https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes No Types Assigned https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes Release Notes, Vendor Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions up to (excluding) 3.36.7 *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions from (including) 3.40.0 up to (excluding) 3.41.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-18508 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-2018-18508
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} 0.04%
score
0.59284
percentile