Security Bulletin
Summary
IBM API Connect has addressed the following vulnerability.
Vulnerability Details
CVEID: CVE-2020-36193
DESCRIPTION: Archive_Tar could allow a remote attacker to traverse directories on the system, caused by inadequate checking of symbolic links. An attacker could send a specially-crafted URL request to the Tar.php script containing "dot dot" sequences (/../) to modify arbitrary files on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195056 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| API Connect | V5.0.0.0-5.0.8.10 |
| API Connect | V2018.4.1.0-V2018.4.1.13 |
| API Connect | V10.0.0.0-10.0.1.1 |
Remediation/Fixes
Remediation/Fixes
|
Affected Product
|
Addressed in VRMF
|
APAR
|
Remediation / First Fix
|
|
IBM API Connect V5.0.0.0-5.0.8.10 iFixes. |
5.0.8.10 iFix (Portal) published on or after January22, 2021 | LI82083 | Addressed in IBM API Connect V5.0.8.10 iFix
published on or after January 22, 2021 Developer Portal is impacted. If upgrading to 5.0.8.11, refer to important information about upgrade here: https://www.ibm.com/support/pages/node/6429049 |
|
IBM API Connect
V2018.4.1.0-2018.4.1.13
|
2018.4.1.15 | LI82083 |
Addressed in IBM API Connect V2018.4.1.15. Developer Portal is impacted. |
|
IBM API Connect
V10.0.0.0-10.0.1.1
|
10.0.1.2 | LI82083 |
Addressed in IBM API Connect V10.0.1.2 Developer Portal is impacted. |
Workarounds and Mitigations
Disable uploads of .tar, .tar.gz, .bz2, or .tlz files to mitigate the vulnerability.
Get Notified about Future Security Bulletins
References
Change History
6 April 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
06 April 2021
UID
ibm16440659