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Vulnerability details: VCID-b8zr-szzz-aaaa
Vulnerability ID VCID-b8zr-szzz-aaaa
Aliases CVE-2018-18508
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-18508.html
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18508.json
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1671310
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18508
generic_textual Medium https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes
generic_textual Medium https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.42.1_release_notes
cvssv3 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-18508
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18508
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18508
generic_textual Medium https://ubuntu.com/security/notices/USN-3898-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3898-2
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-18508.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18508.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18508
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=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://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.42.1_release_notes
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-3898-1
https://ubuntu.com/security/notices/USN-3898-2
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
1671310 https://bugzilla.redhat.com/show_bug.cgi?id=1671310
921614 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=921614
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
CVE-2018-18508 https://nvd.nist.gov/vuln/detail/CVE-2018-18508
USN-3898-1 https://usn.ubuntu.com/3898-1/
USN-3898-2 https://usn.ubuntu.com/3898-2/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18508.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18508
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18508
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18508
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.61133
EPSS Score 0.00224
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.