CVE-2021-45085

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list.

CVSS v3.0 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045	Patch Vendor Advisory
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612	Exploit Vendor Advisory
https://www.debian.org/security/2022/dsa-5042	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html	Mailing List Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gnome:epiphany::::::::
	cpe:2.3:a:gnome:epiphany::::::::

Configuration 2 (hide)

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

Information

Published : 2021-12-15 19:15

Updated : 2022-08-19 02:58

NVD link : CVE-2021-45085

Mitre link : CVE-2021-45085

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Advertisement

Products Affected

debian

debian_linux

gnome

epiphany

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045", "name": "https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612", "name": "https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612", "tags": ["Exploit", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.debian.org/security/2022/dsa-5042", "name": "DSA-5042", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html", "name": "[debian-lts-announce] 20220818 [SECURITY] [DLA 3074-1] epiphany-browser security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-79"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-45085", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}}, "publishedDate": "2021-12-16T03:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "41.1", "versionStartIncluding": "41.0"}, {"cpe23Uri": "cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "40.4"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-08-19T09:58Z"}