CVE-2016-6354

Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466	Patch
http://www.openwall.com/lists/oss-security/2016/07/26/12	Release Notes Third Party Advisory
http://www.debian.org/security/2016/dsa-3653	Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/18/8	Release Notes Third Party Advisory
https://security.gentoo.org/glsa/201701-31

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Configurations

Configuration 1 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:flex_project:flex:*:*:*:*:*:*:*:*

Information

Published : 2016-09-21 07:25

Updated : 2017-01-17 18:59

NVD link : CVE-2016-6354

Mitre link : CVE-2016-6354

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

debian

debian_linux

flex_project

flex

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