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ubuntucveUbuntu.comUB:CVE-2020-12415
HistoryJul 01, 2020 - 12:00 a.m.

CVE-2020-12415

2020-07-0100:00:00
ubuntu.com
ubuntu.com
12

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

50.4%

When “%2F” was present in a manifest URL, Firefox’s AppCache behavior may
have become confused and allowed a manifest to be served from a
subdirectory. This could cause the appcache to be used to service requests
for the top level directory. This vulnerability affects Firefox < 78.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 78.0.1+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu19.10noarchfirefox< 78.0.1+build1-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchfirefox< 78.0.1+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

50.4%