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AUSCERT External Security Bulletin Redistribution
ESB-2019.4304
iControl REST logs a plaintext password when the syntax of a
cURL request is incorrect
15 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
Original Bulletin:
https://support.f5.com/csp/article/K61105950
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K61105950:iControl REST logs a plaintext password when the syntax of a cURL request is incorrect
Security Advisory
Original Publication Date: 15 Nov, 2019
Security Advisory Description
The BIG-IP system logs the device password in plaintext. This issue occurs when
the following condition is met:
o There are one or more syntax errors in the POST body of a REST token
request.
Impact
Disclosure of the BIG-IP system's device password can lead to other exploits.
Symptoms
As a result of this issue, you may encounter the following symptom:
o In the /var/log/restjavad.0.log file, the BIG-IP system logs the plaintext
password in a message similar to the following example:
[RestOperation] getBody could not deserialize to Json, input '{"username":
"example_username", "password": "example_password", "loginProviderName:
tmos"}'
Security Advisory Status
F5 Product Development has assigned ID 761300 to this issue. F5 has confirmed
that this issue exists in the products listed in the Applies to (see versions)
box, located in the upper-right corner of this article. For information about
releases, point releases, or hotfixes that resolve this issue, refer to the
following table.
+------------------+-----------------+----------------------------------------+
|Type of fix |Fixes introduced |Related articles |
| |in | |
+------------------+-----------------+----------------------------------------+
|Release |14.0.0 |K2200: Most recent versions of F5 |
| |13.1.3 |software |
+------------------+-----------------+----------------------------------------+
|Point release/ |13.1.1.5 |K9502: BIG-IP hotfix and point release |
|hotfix | |matrix |
+------------------+-----------------+----------------------------------------+
Security Advisory Recommended Actions
Workaround
None
Supplemental Information
o K51812227: Understanding Security Advisory versioning
o K41942608: Overview of AskF5 Security Advisory articles
o K4602: Overview of the F5 security vulnerability response policy
o K4918: Overview of the F5 critical issue hotfix policy
o K9502: BIG-IP hotfix and point release matrix
o K167: Downloading software and firmware from F5
o K9970: Subscribing to email notifications regarding F5 products
o K9957: Creating a custom RSS feed to view new and updated documents
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