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MozillaCVE-2020-15661

HistoryAug 10, 2020 - 6:15 p.m.

CVE-2020-15661

2020-08-1018:15:12

CWE-522

mozilla

web.nvd.nist.gov

cve-2020-15661

rogue webpage

wkuserscript

logins autofill

password leakage

firefox for ios < 28

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5.9

Confidence

High

EPSS

0.002

Percentile

53.4%

JSON

A rogue webpage could override the injected WKUserScript used by the logins autofill, this exploit could result in leaking a password for the current domain. This vulnerability affects Firefox for iOS < 28.

Affected configurations

Nvd

Vulners

Node

mozillafirefoxRange<28.0iphone_os

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::iphone_os::*

CNA Affected

[
  {
    "product": "Firefox for iOS",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "28",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

bugzilla.mozilla.org/show_bug.cgi?id=1654131

www.mozilla.org/security/advisories/mfsa2020-34/

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5.9

Confidence

High

EPSS

0.002

Percentile

53.4%

JSON

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