CVE-2020-6811

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as Curl' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2020-10/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1607742	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-08/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-09/	Vendor Advisory
https://usn.ubuntu.com/4328-1/	Third Party Advisory
https://usn.ubuntu.com/4335-1/	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*

Information

Published : 2020-03-25 15:15

Updated : 2022-04-11 11:56

NVD link : CVE-2020-6811

Mitre link : CVE-2020-6811

JSON object : View

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Advertisement

Products Affected

mozilla

firefox
firefox_esr
thunderbird

canonical

ubuntu_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.mozilla.org/security/advisories/mfsa2020-10/", "name": "https://www.mozilla.org/security/advisories/mfsa2020-10/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1607742", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1607742", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2020-08/", "name": "https://www.mozilla.org/security/advisories/mfsa2020-08/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2020-09/", "name": "https://www.mozilla.org/security/advisories/mfsa2020-09/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://usn.ubuntu.com/4328-1/", "name": "USN-4328-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/4335-1/", "name": "USN-4335-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as Curl' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-77"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-6811", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}}, "publishedDate": "2020-03-25T22:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "74.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "68.6.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "68.6.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-11T18:56Z"}