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CVE-2018-18508

Good to know:

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Date: October 22, 2020

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.

Language: C

Severity Score

Related Resources (8)

https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
https://nvd.nist.gov/vuln/detail/CVE-2018-18508
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes
https://access.redhat.com/security/cve/CVE-2018-18508
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-18508
https://www.mend.io/vulnerability-database/CVE-2018-18508

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version 3.36.7,3.41.1,3.42.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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