000033131 - RSA Authentication Manager 8.x Heap-Based Buffer Overflow in libarchive - CVE-2016-1541 - False Positive

Document created by RSA Customer Support Employee on Jun 14, 2016
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Article Number000033131
Applies To
RSA Product Set: SecurID
RSA Product/Service Type: Authentication Manager
RSA Version/Condition: 8.x
CVE IDCVE-2016-1541
Article Summary
Customer Support has asked whether the RSA Authentication Manager 8.x system is impacted by the vulnerability CVE-2016-1541 in libarchive following the May 2016 announcement of fixes by libarchive.org, the open-source group which creates the distribution combining bsdtar, bsdcpio and libarchive. 
The announcement is as follows:

Libarchive 3.2.0 is a feature, bug fix, and security release.
This includes nearly 3 years of accumulated changes since the release of libarchive 3.1.2, including the following:
Security Fixes
CVE-2016-1541, aka TALOS-CAN-155:  Libarchive 3.1.2 and early mishandle the "compressed" and "uncompressed" sizes in certain Zip archive entries in a way that would allow someone to overwrite parts of the heap in a controlled fashion. ...
Link to Advisorieshttp://www.libarchive.org/
Alert ImpactNot Applicable
Technical DetailsFalse positive
Technical Details Explanation



Heap-based buffer overflow in the zip_read_mac_metadata function in archive_read_support_format_zip.c in libarchive before 3.2.0 allows remote attackers to execute arbitrary code via crafted entry-size values in a ZIP archive.

CVSS v3 Base Score: 8.8 High
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Response: The flaw does not exist

AM 8.1 SP1 does not use libarchive.



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