CVE-2023-6873 - Vulnerability Details - OpenCVE

Description

Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121.

Published: 2023-12-19

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mozilla

Firefox

affected

Version	Status	Constraints
`unspecified`	affected	< 121

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*
	cpe:2.3:o:debian:debian_linux:12.0:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-3698-1	thunderbird security update
Debian DSA	DSA-5582-1	thunderbird security update
Ubuntu USN	USN-6562-1	Firefox vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00384.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
https://security.gentoo.org/glsa/202401-10
https://www.debian.org/security/2023/dsa-5582
https://www.mozilla.org/security/advisories/mfsa2023-56/

History

No history.

Subscriptions

Debian Debian Linux

Mozilla Firefox

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2023-12-19T13:38:56.039Z

Updated: 2025-02-13T17:26:57.948Z

Reserved: 2023-12-15T17:42:58.233Z

Link: CVE-2023-6873

Vulnrichment

No data.

NVD

Status : Modified

Published: 2023-12-19T14:15:08.227

Modified: 2024-11-21T08:44:44.090

Link: CVE-2023-6873

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-6873", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2023-12-15T17:42:58.233Z", "datePublished": "2023-12-19T13:38:56.039Z", "dateUpdated": "2025-02-13T17:26:57.948Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "121", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121."}]}], "problemTypes": [{"descriptions": [{"description": "Memory safety bugs fixed in Firefox 121", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723", "name": "Memory safety bugs fixed in Firefox 121"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-56/"}, {"url": "https://www.debian.org/security/2023/dsa-5582"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"}, {"url": "https://security.gentoo.org/glsa/202401-10"}], "credits": [{"lang": "en", "value": "Andrew McCreight, Yury Delendik"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2024-01-07T11:06:42.047Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:42:07.975Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723", "name": "Memory safety bugs fixed in Firefox 121", "tags": ["x_transferred"]}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-56/", "tags": ["x_transferred"]}, {"url": "https://www.debian.org/security/2023/dsa-5582", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html", "tags": ["x_transferred"]}, {"url": "https://security.gentoo.org/glsa/202401-10", "tags": ["x_transferred"]}]}]}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "A3D81D72-5965-4DB7-BFA7-9A32A9108919", "versionEndExcluding": "121.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121."}, {"lang": "es", "value": "Errores de seguridad de la memoria presentes en Firefox 120. Algunos de estos errores mostraron evidencia de corrupci\u00f3n de la memoria y suponemos que con suficiente esfuerzo algunos de ellos podr\u00edan haberse aprovechado para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox < 121."}], "id": "CVE-2023-6873", "lastModified": "2024-11-21T08:44:44.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-19T14:15:08.227", "references": [{"source": "security@mozilla.org", "tags": ["Broken Link", "Issue Tracking"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723"}, {"source": "security@mozilla.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202401-10"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5582"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-56/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Issue Tracking"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202401-10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5582"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-56/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}