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Medium severity · published Oct 22, 2020
CVE-2018-18508
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
6.5
CVSS
2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Network Security Services · Mozilla
before 3.36.7; 3.41 before 3.41.1 · source: NVD
RR
Ruggedcom Rox Mx5000 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1400 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1500 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1501 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1510 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1511 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1512 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx5000 Firmware · Siemens
before 2.14.0 · source: NVD
Affected product
NS
Network Security Services
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18508
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18508
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
Release Notes
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes
Release Notes
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
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