Executive Summary

Summary
Title exFAT: Multiple vulnerabilities
Informations
Name GLSA-201612-31 First vendor Publication 2016-12-12
Vendor Gentoo Last vendor Modification 2016-12-12
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Two vulnerabilities have been found in exFAT allowing remote attackers to execute arbitrary code or cause Denial of Service.

Background

A full-featured exFAT file system implementation for Unix-like systems.

Description

Two vulnerabilities were found in exFAT. A malformed input can cause a write heap overflow or cause an endless loop.

Impact

Remote attackers could execute arbitrary code or cause Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All exFAT users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-fs/exfat-utils-1.2.1"

References

[ 1 ] CVE-2015-8026 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8026
[ 2 ] Heap overflow and endless loop in exfatfsck / exfat-utils

http://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201612-31

Original Source

Url : http://security.gentoo.org/glsa/glsa-201612-31.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

Nessus® Vulnerability Scanner

Date Description
2016-12-12 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201612-31.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
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Date Informations
2017-03-31 17:24:57
  • Multiple Updates
2017-03-27 21:22:44
  • Multiple Updates
2016-12-13 13:24:13
  • Multiple Updates
2016-12-12 09:24:16
  • First insertion